[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8},"actionData","errors","root",{"_23":24,"_25":26,"_27":21,"_28":21,"_29":21,"_30":21,"_31":21,"_32":21,"_33":34},"routes/canvas.shared.$sharedTextdocId",{"_9":10,"_11":-7,"_12":13,"_14":15,"_16":17,"_18":19,"_20":21,"_22":21},"sharedTextdocId","68b38699b564819195ee007e0ea33087","versionInt","title","Interoperability Benefits Calculator","type","code/react","content","import { useState } from \"react\";\nimport { Card, CardHeader, CardTitle, CardContent } from \"@/components/ui/card\";\nimport { Input } from \"@/components/ui/input\";\nimport { TooltipProvider, Tooltip, TooltipTrigger, TooltipContent } from \"@/components/ui/tooltip\";\nimport { Info } from \"lucide-react\";\nimport {\n BarChart,\n Bar,\n XAxis,\n YAxis,\n Tooltip as RechartsTooltip,\n ResponsiveContainer,\n ReferenceLine,\n} from \"recharts\";\n\nexport default function InteroperabilityCalculator() {\n // helpers\n const pct = (x: number) => (isNaN(x) ? 0 : x) / 100;\n const num = (v: string) => Number(v || 0);\n const money = (v: number) => \"$\" + (isFinite(v) ? Math.round(v).toLocaleString() : \"0\");\n\n // Organisation-level inputs\n const [annualTests, setAnnualTests] = useState(205000);\n const [annualDischarges, setAnnualDischarges] = useState(90000);\n const [duplicateTestRate, setDuplicateTestRate] = useState(25);\n const [readmitRate, setReadmitRate] = useState(25);\n const [clinicians, setClinicians] = useState(100);\n const [visitsPerClinician, setVisitsPerClinician] = useState(2000);\n const [timeSavedPerVisitMin, setTimeSavedPerVisitMin] = useState(5);\n const [clinicianWagePerHour, setClinicianWagePerHour] = useState(95);\n\n // Implementation cost tier\n const [hospitalSize, setHospitalSize] = useState(\"medium\");\n const getImplementationCost = (size: string) => {\n switch (size) {\n case \"small\":\n return 800000;\n case \"medium\":\n return 1500000;\n case \"large\":\n return 3000000;\n default:\n return 1500000;\n }\n };\n const investmentNZD = getImplementationCost(hospitalSize);\n\n // Evidence-backed assumptions\n const [testUnitCostNZD, setTestUnitCostNZD] = useState(50);\n const [readmitCostNZD, setReadmitCostNZD] = useState(3643);\n const [duplicateReductionPct, setDuplicateReductionPct] = useState(25) // default 25% based on AJMC 2015 HIE study;\n const [readmitReductionPct, setReadmitReductionPct] = useState(10);\n const [preventableReadmitPct, setPreventableReadmitPct] = useState(30);\n\n // Calculations\n const clinicianCostPerMinute = clinicianWagePerHour / 60;\n const timeSavedTotalMinutes = clinicians * visitsPerClinician * timeSavedPerVisitMin;\n const productivityGain = Math.round(timeSavedTotalMinutes * clinicianCostPerMinute);\n\n const testSavings = Math.round(\n annualTests * pct(duplicateTestRate) * pct(duplicateReductionPct) * testUnitCostNZD\n );\n const readmitSavings = Math.round(\n annualDischarges * pct(readmitRate) * pct(readmitReductionPct) * pct(preventableReadmitPct) * readmitCostNZD\n );\n\n const totalAnnualSavings = productivityGain + testSavings + readmitSavings;\n const netAnnualBenefit = totalAnnualSavings - investmentNZD;\n const roi = investmentNZD > 0 ? (totalAnnualSavings / investmentNZD).toFixed(2) : \"0.00\";\n\n const barData = [\n { name: \"Gross Savings\", value: totalAnnualSavings },\n { name: \"Net Benefit (after Interoperability Standards cost)\", value: netAnnualBenefit },\n ];\n const yValues = barData.map((d) => d.value);\n const yMin = Math.min(0, ...yValues);\n const yMax = Math.max(...yValues);\n\n // Dev sanity checks (acts as lightweight tests in the absence of a test runner)\n if (typeof window !== \"undefined\") {\n const _calc = (disch: number, rRatePct: number, rRedPct: number, prevPct: number, rCost: number) =>\n Math.round(disch * pct(rRatePct) * pct(rRedPct) * pct(prevPct) * rCost);\n console.assert(_calc(10000, 10, 10, 30, 3643) === Math.round(10000 * 0.1 * 0.1 * 0.3 * 3643), \"Readmit calc sanity check\");\n console.assert(productivityGain >= 0 && testSavings >= 0 && isFinite(netAnnualBenefit), \"Outputs should be finite and non-negative (except Net may be negative)\");\n }\n\n return (\n \n

The Interoperability Benefits Calculator

\n Focus: Direct financial and productivity benefits to hospital on adopting\n Interoperability Standards in diagnostic services.\n

\n\n {/* Organisation Setup */}\n \n \n Organisation Setup\n \n \n

\n \n Annual diagnostic tests\n \n \n \n \n \n \n \n Default ~205,000 per year (Figure.NZ 2021).\n \n \n \n setAnnualTests(num(e.target.value))} />\n

\n\n

\n \n Annual hospital discharges\n \n \n \n \n \n \n \n Default ~90,000 per year (large metro hospital benchmark).\n \n \n \n setAnnualDischarges(num(e.target.value))}\n />\n

\n\n

\n \n Duplicate test rate (%)\n \n \n \n \n \n \n \n % of tests that are unnecessary repeats. Used with reduction % to estimate avoided duplicates.\n \n \n \n setDuplicateTestRate(num(e.target.value))}\n />\n

\n\n

\n \n 30-day readmission rate (%)\n \n \n \n \n \n \n \n All-cause readmissions within 30 days of discharge. Default ~25%.\n \n \n \n setReadmitRate(num(e.target.value))} />\n

\n\n

\n \n Number of clinicians\n \n \n \n \n \n \n \n Doctors, nurses, pharmacists, and allied staff using the system.\n \n \n \n setClinicians(num(e.target.value))} />\n

\n\n

\n \n Visits per clinician per year\n \n \n \n \n \n \n \n Average annual encounters per clinician. Drives total time-saved calculation.\n \n \n \n setVisitsPerClinician(num(e.target.value))}\n />\n

\n\n

\n \n Time saved per visit (minutes)\n \n \n \n \n \n \n \n Interoperability reduces admin time to find/share patient data. Start with 5–10 minutes.\n \n \n \n setTimeSavedPerVisitMin(num(e.target.value))}\n />\n

\n\n

\n \n Clinician cost per hour (NZD)\n \n \n \n \n \n \n \n Blended organisational hourly cost across the clinical workforce.\n \n \n \n setClinicianWagePerHour(num(e.target.value))}\n />\n

\n\n

\n \n Hospital size\n \n \n \n \n \n \n \n Sets implementation cost: Small (≤10k) $800k; Medium (10k–90k) $1.5m; Large (≥90k) $3m.\n \n \n \n setHospitalSize(e.target.value)}\n >\n \n \n \n \n

\n\n

\n \n Test unit cost (NZD)\n \n \n \n \n \n \n \n Average organisational cost per diagnostic test. Default $50.\n \n \n \n setTestUnitCostNZD(num(e.target.value))}\n />\n

\n \n Readmission cost (NZD)\n \n \n \n \n \n \n \n Median organisational cost per readmission in NZ. Default $3,643.\n \n \n \n setReadmitCostNZD(num(e.target.value))}\n />\n

\n\n

\n \n Reduction in duplicate tests (%)\n \n \n \n \n \n \n \n Reduction in duplicate imaging by 25% (based on AJMC 2015 – Health Information Exchange and Repeat Imaging: https://www.ajmc.com/view/health-information-exchange-and-the-frequency-of-repeat-medical-imaging).\n \n \n \n setDuplicateReductionPct(num(e.target.value))}\n />\n

\n\n

\n \n Reduction in readmissions (%)\n \n \n \n \n \n \n \n Conservative default 10% (handover bundles often report higher).\n \n \n \n setReadmitReductionPct(num(e.target.value))}\n />\n

\n\n

\n \n Proportion of readmissions preventable (%)\n \n \n \n \n \n \n \n Not all readmissions are avoidable. 30% is a conservative assumption.\n \n \n \n setPreventableReadmitPct(num(e.target.value))}\n />\n

\n \n \n\n {/* Results */}\n \n \n Results Dashboard (Organisation Lens)\n \n \n

Admin Time Savings

{money(productivityGain)} per year

Test Savings

{money(testSavings)} per year

Readmission Savings

{money(readmitSavings)} per year

ROI

{roi}x

\n\n \n \n \n \"$\" + Number(v).toLocaleString()} width={90} />\n [\"$\" + Number(value).toLocaleString(), \"Benefit\"]} />\n \n \n \n \n\n

\n *Net Benefit factors in Interoperability Standards investment of {money(investmentNZD)}.\n

\n \n \n\n {/* Evidence Section */}\n \n \n Evidence & Sources\n \n \n

\n Admin Time Savings: clinicians × visits/year × minutes saved/visit × ($/hour ÷ 60).\n Evidence: Primary care doctors spend ~36 min/visit in EHR (\n \n JAMA 2023\n \n ).\n

\n Test Savings: annual tests × (dup rate ÷ 100) × (reduction% ÷ 100) × test cost. Evidence:\n Health information exchange access reduced repeat imaging by ~25% (\n \n AJMC 2015\n \n ). NZ average hospital ~205,000 tests/year (\n \n Figure.NZ 2021\n \n ).\n

\n Readmission Savings: annual discharges × (readmit rate ÷ 100) × (reduction% ÷ 100) × 30%\n preventable × $3,643. Evidence: AHRQ RED toolkit reports ~25% reduction in readmissions (\n \n AHRQ\n \n ).\n

\n Clinician cost per hour (default = $95 NZD): Doctors: consultants ~NZ$185–268k/year →\n ≈$89–$129/hour (\n \n DoctorPay\n \n ); GPs ≈$110.64/hour (\n \n Transition Medical\n \n ); \n ). Apply typical on‑costs ~25% (\n \n Agoge\n \n ) → blended ~NZ$85–$105/hour; default set to $95.\n

\n Interoperability Standards investment: Small (≤10k discharges) $800k; Medium (10k–90k)\n $1.5m; Large (≥90k) $3m. Evidence: Global HIE implementations typically cost USD $400k–$2M (≈ NZD\n $660k–$3.3M) (\n \n ScienceSoft\n \n ).\n

\n \n \n

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