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Table 3 Reasons for and outcomes of 30-day unplanned hospital readmissions of ICU survivors

From: Predictors associated with unplanned hospital readmission of medical and surgical intensive care unit survivors within 30 days of discharge

Category of primary diagnosis, n (%) Medical Surgical
At readmission At initial index admission At admission At initial index admission
(n = 5583) (n = 147,423) (n = 11,142) (n = 339,228)
 Cardiac 1758 (31.5) 72,674 (49.3) 1298 (11.6) 51,788 (15.3)
 Malignancy 345 (6.2) 7488 (5.1) 2184 (19.6) 14,2954 (42.1)
 Respiratory 738 (13.2) 9175 (6.2) 1138 (10.2) 6110 (1.8)
 Neurologic 636 (11.4) 32,702 (22.2) 1022 (9.2) 63,112 (18.6)
 Gastrointestinal 640 (11.5) 4588 (3.1) 1298 (11.6) 26,653 (7.9)
 Metabolic and renal 575 (10.3) 5352 (3.6) 991 (8.9) 6836 (2.0)
Other 891 (16.0) 15,444 (10.5) 2457 (22.1) 41,775 (12.3)
Outcomes
 Hospital length of stay, median (IQR) 15 (8–28)   14 (8–26)  
 Hospital mortality, % 585 (10.5)   836 (7.5)  
  1. ICU intensive care unit, IQR interquartile range