Age — years (IQR) | 29 (28 to 31) |
Gender — n (%) | |
Female | 13 (38) |
Male | 21 (62) |
PGY status — n (%) | |
1st year resident | 13 (38) |
2nd year resident | 13 (38) |
3rd year resident | 8 (24) |
Usual daily caffeine intake* — n (%) | |
Less than one cup | 11 (32) |
One to three cups | 19 (56) |
Three or more cups | 4 (12) |
Caffeine intake* on simulation day — n (%) | |
Less than one cup | 15 (44) |
One to three cups | 16 (47) |
Three or more cups | 3 (8) |
Baseline heart rate† — median beats per min (IQR) | 70 (62 to 78) |