Table 2:

Characteristics of patients admitted from long-term care facilities, stratified by duration of admission

CharacteristicNo. (%) of admissions
All admissions
n = 21 948
Admissions for patients with LOS ≤ 72 h
n = 5297
Admissions for patients with LOS > 72 h
n = 16 651
SMD
Length of stay, d, median (IQR)5.75 (3.12–10.80)1.88 (1.23–2.57)7.62 (4.90–13.34)0.625
IV medication19 332 (88.1)4300 (81.2)15 032 (90.3)0.262
Laboratory testing21 933 (99.9)5284 (99.8)16 649 (100.0)0.065
Diagnostic imaging
 Any plain radiography20 332 (92.6)4604 (86.9)15 728 (94.5)0.262
 Any CT11 571 (52.7)2197 (41.5)9374 (56.3)0.300
 Any ultrasonography5794 (26.4)642 (12.1)5152 (30.9)0.470
 Any MRI920 (4.2)46 (0.9)874 (5.2)0.256
Any interventional radiology1716 (7.8)90 (1.7)1626 (9.8)0.352
RBC transfusion1707 (7.8)233 (4.4)1474 (8.9)0.180
Endoscopy1234 (5.6)164 (3.1)1070 (6.4)0.157
ICU admission1605 (7.3)131 (2.5)1474 (8.9)0.279
Death2710 (12.3)772 (14.6)1938 (11.6)0.087
Readmission to GIM in 30 d2698 (14.1)578 (12.8)2120 (14.5)0.048
  • Note: CT = computed tomography, GIM = general internal medicine service, ICU = intensive care unit, IQR = interquartile range, IV = intravenous, LOS = length of stay, MRI = magnetic resonance imaging, RBC = red blood cell, SMD = standardized mean difference.

  • * Unless indicated otherwise.