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. 2004 Apr;39(2):279–300. doi: 10.1111/j.1475-6773.2004.00228.x

Table 3.

Dynamic Panel Model Estimation Results Measuring Quality of Care with the Pneumonia, Urinary Tract Infection, and Decubitis Ulcer Complication Ratios.a,b

Variable Pneumonia Complication Ratio Urinary Tract Infection Complication Ratio Decubitis Ulcer Complication Ratio
Complication Ratiot−1 0.135* 0.276*** 0.154**
(0.056) (0.050) (0.054)
RN FTEs per 1,000 IPD 0.032 0.053 0.094
(0.059) (0.069) (0.052)
RN FTEs per 1,000 IPD2 −0.009 −0.008 −0.017**
(0.007) (0.008) (0.006)
LPN FTEs per 1,000 IPD 0.160 0.196 −0.037
(0.148) (0.170) (0.136)
LPN FTEs per 1,000 IPD2 0.080 −0.007 0.097
(0.051) (0.059) (0.057)
Nonnurse FTEs per 1,000 IPD −0.024 −0.010 −0.011
(0.018) (0.023) (0.017)
Nonnurse FTEs per 1,000 IPD2 0.001 0.001 −2.7E-5
(4.2E-4) (0.001) (4.9E-4)
RN FTEs × LPN FTEs −0.047* 0.007 −0.023
(0.023) (0.025) (0.029)
RN FTEs × Nonnurse FTEs 0.005 0.002 0.005
(0.003) (0.004) (0.003)
LPN FTEs × Nonnurse FTEs −0.006 −0.012 0.001
(0.011) (0.013) (0.012)
Operating margin −0.004*** −0.003 −0.001
(0.001) (0.001) (0.001)
Case-mix index −0.261 0.264 0.424*
(0.198) (0.224) (0.180)
Saidin index −0.031** −0.024 0.005
(0.012) (0.014) (0.011)
System −0.041 −0.062 −0.067*
(0.031) (0.038) (0.030)
Public 0.620 −0.270 −0.365
(0.358) (0.545) (0.212)
Profit 0.071 −0.326 −0.155
(0.164) (0.245) (0.170)
Payer mix 0.001 0.002 0.001
(0.002) (0.002) (0.002)
Beds −2.2E-4 −4.7E-4 −0.001***
(3.6E-4) (4.2E-4) (3.7E-4)
Hospital use 1.6E-7 −2.7E-4 4.7E-5
(1.2E-4) (1.5E-4) (1.2E-4)
Herfindahl index −0.012 0.002 −0.010
(0.009) (0.009) (0.006)
Number of HMOs 0.006 0.032*** 0.016**
(0.006) (0.007) (0.005)
HMO penetration −0.003 0.004 1.5E-4
(0.003) (0.003) (0.002)
HMOs × HMO penetration −1.3E-4 −0.001*** 2.0E-5
(2.1E-4) (2.3E-4) (1.9E-4)
Dummy variables for years X X X
Observations 864 984 945
a

Standard errors (in parentheses) beneath the coefficients.

*

Significant at the .05 level;

**

significant at the .01 level;

***

significant at the .001 level.