Table 2.

Mortality associated with weekend versus weekday admission with a primary diagnosis of AKI on the basis of NIS data from 2003 to 2006

Mortality, n (%)OR (95% CI)
Weekend (n = 45,203)Weekday (n = 169,759)UnadjustedAdjusteda
Mortality by third day of admission1442 (3.2%)4318 (2.5%)1.26 (1.19 to 1.34)1.22 (1.15 to 1.30)
Total in-hospital mortality3321 (7.3%)11,365 (6.7%)1.11 (1.06 to 1.15)1.07 (1.02 to 1.12)
  • aOR adjusted for age, gender, race, Charlson comorbidity index, and use of mechanical ventilation.