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Table 4 Regression coefficients and 95% confidence interval: natural log of cost per inpatient bed day expressed in 2007 I $

From: Econometric estimation of WHO-CHOICE country-specific costs for inpatient and outpatient health service delivery

  Regression coefficient 95% confidence interval
Ln GDP per capita 1.192*** [1.111, 1.272]
Ln occupancy rate − 0.0201** [− 0.0340, − 0.00623]
Ln ALOS − 0.600*** [− 0.649, − 0.550]
Ln admissions 0.0252* [0.00471, 0.0457]
District − 0.204*** [− 0.275, − 0.132]
Teaching 0.257*** [0.163, 0.351]
Public − 0.144*** [− 0.182, − 0.107]
Private 0.110*** [0.0710, 0.148]
Brazil − 1.638*** [− 1.694, − 1.583]
Constant − 4.277*** [− 5.035, − 3.519]
Observations 3407  
R 2 0.760  
Adjusted R2 0.760  
F_stat 1070.3  
Duan’s correction factor 1.054  
Variance inflation factor 1.721  
  1. Note only facilities of types 3, 4 and 5 are included in this regression model
  2. * p < 0.05, ** p < 0.01, *** p < 0.001