Table 5 Effect of an intensivist on process‐based quality indicators in the regression analysis accounting for clustering by hospital.

Care process	Risk ratio
	Baseline	GEE†
Deep vein thrombosis prophylaxis	1.08 (1.00 to 1.17)*	1.04 (0.98 to 1.10)
Stress ulcer prophylaxis	1.10 (1.03 to 1.18)*	1.02 (0.95 to 1.10)
Spontaneous breathing trial	1.37 (0.97 to 1.94)	1.24 (0.87 to 1.76)
Sedation interruption	1.64 (1.13 to 2.38)*	1.44 (1.03 to 2.03)*
Intensive insulin treatment	1.40 (1.18 to 1.79)*	1.31 (1.01 to 1.72)*

GEE, generalized estimating equation.

*p<0.05.

†Risk ratios account for clustering by centre using relative risk regression with GEEs.