TABLE 3

Residents’ Reported Work Hours and Sleep, Before and After Implementation of the ACGME Duty Hour Standards

Duration, Mean ± SD, hChange, %P
Before ImplementationAfter Implementation
Daily work durationa8.6 ± 7.58.6 ± 7.40.94
Duration of extended work shifts29.3 ± 3.228.5 ± 2.4−2.7<.001
Daily sleep duration7.4 ± 2.77.5 ± 2.7+1.4.49
  • a Values include vacation days, weekends, and ambulatory rotations (weekly work hours: 60.3 vs 60.4 hours/week).