Table 3 Regression of CRS technical inefficiency scores against exploratory variables
Variables | Coefficient | Std. Err. | Z | P-value | 95% CI | |
|---|---|---|---|---|---|---|
Lower limit | Upper limit | |||||
Model 1 (CRSTE) | ||||||
Catchment population (ref: "≤100,000") | ||||||
100 001–200 000 | 0.258903 | 0.144427 | 1.79 | 0.087 | − 0.04062 | 0.558426 |
> 200 000 | 0.093021 | 0.150426 | 0.62 | 0.543 | − 0.21894 | 0.404985 |
Level of facility (ref: Small "50–150 beds") | ||||||
Medium (150–300 beds) | − 0.26425 | 0.142891 | − 1.85 | 0.078 | − 0.56059 | 0.032083 |
Large (300–600 beds) | 0.11657 | 0.177804 | 0.66 | 0.519 | − 0.48531 | 0.252173 |
Location | 0.017687 | 0.187435 | 0.09 | 0.926 | − 0.37103 | 0.406403 |
Outpatient/doctor | 0.000224 | 0.000135 | 1.65 | 0.113 | − 5.7E−05 | 0.000504 |
Inpatient/doctor | − 0.00068 | 0.000252 | − 2.69 | 0.013* | − 0.0012 | − 0.00015 |
Ratio of beds to doctor | 0.070006 | 0.045213 | 1.55 | 0.136 | − 0.02376 | 0.163772 |
Outpatient/nurse | − 0.00981 | 0.004968 | − 1.97 | 0.061 | − 0.02011 | 0.000493 |
Inpatient/nurse | 0.008444 | 0.007086 | 1.19 | 0.246 | − 0.00625 | 0.02314 |
Ratio of beds to nurse | − 0.8223 | 1.188997 | − 0.69 | 0.496 | − 3.28813 | 1.643527 |
Average length of stay | 0.027841 | 0.040708 | 0.68 | 0.501 | − 0.05658 | 0.112263 |
Inpatient bed utilization rate | − 0.00191 | 0.003553 | − 0.54 | 0.596 | − 0.00928 | 0.005457 |
Outpatient/inpatient days | 0.231625 | 0.613416 | 0.38 | 0.709 | − 1.04052 | 1.503772 |
Exp. per PDE | − 0.0003 | 0.000123 | − 2.44 | 0.023* | − 0.00056 | − 4.5E−05 |
OPD not referred | − 6.30E−06 | 5.59E-06 | − 1.13 | 0.272 | − 1.8E−05 | 5.29E−06 |
Cons. | 2.33511 | 1.187342 | 1.97 | 0.062 | − 0.12729 | 4.797507 |
Sigma | 0.040635 | 0.012537 | 0.02143 | 0.077053 | ||
Number of observations = 38 | ||||||
Log likelihood = − 0.8818 | ||||||
Chi-square (χ2) = 48.82 | ||||||
P-value = 0.0001 | ||||||