Table 1:

Characteristics of patients admitted to or discharged from the study hospitals’ general internal medicine services

CharacteristicNo. (%) of admissions*
Overall
n = 235 375
Admissions of patients from LTC facilities
n = 21 948
Admissions of patients from other settings
n = 213 427
Age, yr, median (IQR)72.00 (57.00–83.00)86.00 (79.00–91.00)70.00 (55.00–82.00)
Sex, female117 757 (50.0)13 209 (60.2)104 548 (49.0)
LAPS, mean ± SD20.11 ± 17.2326.48 ± 18.0819.46 ± 17.00
Charlson Comorbidity Index score ≥ 2103 243 (43.9)13 725 (62.5)89 518 (41.9)
Time in ED, h, median (IQR)14.67 (9.90–23.65)16.00 (10.18–26.38)14.47 (9.83–23.23)
Admission to GIM from ED209 159 (88.9)18 915 (86.2)190 244 (89.1)
Time of admission
 Weekday175 121 (74.4)16 034 (73.1)159 087 (74.5)
 Daytime54 136 (23.0)5359 (24.4)48 777 (22.9)
Time of triage
 Weekday triage177 298 (75.3)16 195 (73.8)161 103 (75.5)
 Daytime129 744 (55.1)12 373 (56.4)117 371 (55.0)
Admitted to GIM in previous 30 d24 014 (10.4)2913 (13.4)21 101 (10.1)
  • Note: ED = emergency department, GIM = general internal medicine service, IQR = interquartile range, LAPS = Laboratory-based Acute Physiology Score, LTC = long-term care, SD = standard deviation.

  • * Unless indicated otherwise.