Table 2. Differences by Gender in Durations of Intubation and Lengths of Stay after Coronary Artery Bypass Surgery in 1995 and 1997

ICU = intensive care unit; LOS = length of stay; 1995 = 1995 Benchmarking study (N = 1064); 1997 = 1997 Benchmarking study (N = 968). P  values are given testing for significant differences comparing males with females in either the 1995 or the 1997 benchmarking studies.