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Table 4 One-way sensitivity analyses on selected parameters, expressed as dollars per quality-adjusted life year gained

From: Cost-effectiveness of recommended nurse staffing levels for short-stay skilled nursing facility patients

Parameter

Range (Best, Worst)

Biased toward recommended staffing

Biased against recommended staffing

Efficacy of optimizing nurse staffing

See table 2

  

All staff

 

$124,000

$2,508,000

NA

 

$225,000

$556,000

Licensed staff (RN + LPN)

 

$230,000

$510,000

RN

 

$289,000

$369,000

Transition probabilities

   

Hospitalization rate

(double, half)

$36,000

$896,000

In-hospital mortality rate

(double, half)

$150,000

$793,000

Annual mortality rate in SNF or when discharged

(15%, 61%)

$181,000

$760,000

Utilities

   

of "hospital" state

(0.41, 0.79)

$239,000

$343,000

of "discharged" state

(1.00, 0.73)

$218,000

$371,000

Time to discharge utility in recommended staffing group

(15 d., 30 d.)

$94,000

$321,000

Costs

   

Hospitalization cost

(double, half)

$192,000

$386,000

NA wage

($10, $20)

$256,000

$455,000

LPN wage

($30, $15)

$292,000

$339,000

RN wage

($20, $40)

$193,000

$391,000

Non-nursing costs in SNF

($400, $100)

$243,000

$356,000

Daily costs for discharged patients

($0, $113)

$321,000

$428,000

Discount rate

(0%, 5%)

$297,000

$337,000

  1. All costs in 2002 U.S. dollars. The column labeled "range" refers to the best-case and worst-case values tested in sensitivity analyses. "Double" and "Half" refer to double and half the base case values, respectively. SNF, skilled nursing facility; NA, nurse assistant; LPN, licensed practical nurse; RN, registered nurse.