Table 1.

Table Patient Care Outcomes on Resident Services with 30- and 16-Hour Duty Limits

Outcome	30-Hour (n=2025)	16-Hour (n=1966)	Difference between means (95% CI)
EFFICIENCY
Length of stay, median (IQR, 25%, 75%)	3.04 (1.95, 5.64)	3.11 (1.91, 5.67)	−0.075 (−0.417, 0.267)
Observed: Expected length of stay	0.82	0.82	0.007 (−0.003, 0.017)
Time of discharge, median (IQR, 25%, 75%)	14:47 (12:58, 16:38)	15:15 (13:28, 17:08)	0:25 (0:14, 0:35)
All cause 30-day readmission,+ n (%)	18.57%	17.80%	−0.77% (−3.20%, 1.60%)
All cause 30-day readmission+ for pneumonia patients, n (%)	7.69%	0.00%	−7.69% (−18.70%, 3.30%)
AHRQ Patient Safety Indicators/1000 patients	3.46	1.02	−2.44 (−5.86, 0.98)
UHC complications/1000 patients	26.67	15.77	−10.90 (−20.30, −1.48)
UHC Observed: Expected mortality	0.41	0.55	0.14 (−0.01, 0.38)
Rapid response team events/1000 patients	16.30	18.31	2.02 (−6.59, 10.61)
Code events/1000 patients	0.99	1.02	0.03 (−1.97, 2.02)
ICU transfers/1000 patients	5.43	7.63	2.20 (−3.30, 7.70)

⁺Planned and unplanned

IQR=Interquartile Range; UHC=University HealthSystem Consortium; AHRQ=Agency for Healthcare Research and Quality