Table 5.

Sensitivity analysis: adjusted measures of association based on full cohort

	OR (95% CI)	P value
Empyema	1.35 (0.48 to 3.77)	0.56
Pneumonia	1.54 (0.97 to 2.46)	0.068
Death	0.9 (0.5 to 1.63)	0.74
Pneumonia or death	1.31 (0.86 to 2.01)	0.21
Clostridium difficile colitis	0.58 (0.12 to 2.87)	0.51

	Rate ratio (95% CI)	P value
ICULOS	1.52 (1.24 to 1.87)	0.0001
Hospital LOS	1.18 (1.05 to 1.31)	0.0041
Ventilation Days	1.6 (1.19 to 2.15)	0.0016

Adjusted estimates of ORs and rate ratios based on generalized linear models fitted on the full cohort.

ICULOS, intensive care unit length of stay.