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Table 4 Sensitivity Analysis- Controlling for length of stay [95% Confidence Intervals]

From: Hospital costs associated with psychiatric comorbidities: a retrospective study

 

Costs

Reimbursements

 

exp(β)

exp(β)

Psychiatric comorbidity

1.066***

1.043***

 

[1.051–1.082]

[1.028–1.059]

Marginal effect

207***

151**

 

[158–256]

[95–206]

CCI

1.021***

1.019***

 

[1.020–1.023]

[1.017–1.020]

Length of Stay

1.082***

1.061***

 

[1.081–1.083]

[1.060–1.062]

Intensive care hours

1.001***

1.001***

 

[1.001–1.001]

[1.001–1.001]

Age

0.999***

0.999***

 

[0.999–0.999]

[0.999–0.999]

Sex

0.990***

0.979***

 

[0.985–0.996]

[0.973–0.985]

Observations

158,702

158,702

  1. Notes: Generalized linear regression models with a Gamma distribution and a log link. Regressions used ICD-fixed effect to allow for within primary diagnosis estimation. Columns give the exponentiated coefficients except for the marginal effects. 95% confidence intervals in brackets. CCI Charlson comorbidity index
  2. *p < 0.1, ** p < 0.05, *** p < 0.01;
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BMC Health Services Research

ISSN: 1472-6963

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