Table 3 Characteristics of readmitted and non-readmitted patients
From: Risk prediction of ICU readmission in a mixed surgical and medical population
Variables | Readmission (n = 27) | No. of readmission (n = 705) | p value | ||
|---|---|---|---|---|---|
95 % CI | 95 % CI | ||||
Age, years, mean | 64.7 | 60–70 | 54.2 | 53–56 | 0.005 |
Gender, n (%) | 0.38 | ||||
Male | 400 (57) | 13 (48) | |||
Female | 305 (43) | 14 (52) | |||
Original source of admission, n (%) | 0.42 | ||||
Emergency department | 4 (15) | 210 (29) | |||
Other ICU | 1 (4) | 36 (5) | |||
Other hospital | 2 (7) | 42 (6) | |||
Operating theatre | 6 (22) | 192 (25) | |||
Ward | 14 (52) | 216 (31) | |||
Delivery ward | 0 (0) | 9 (1) | |||
Ward at admission, n (%) | 0.26 | ||||
Medical wards | 7 (26) | 288 (41) | |||
Surgical wards | 19 (70) | 404 (57) | |||
Oncologic wards | 1 (4) | 13 (2) | |||
Comorbidity, n (%) | |||||
Immunodeficiency | 1 (4) | 13 (2) | 0.05 | ||
Chronic obstructive pulmonary disease | 1 (4) | 46 (6) | 0.59 | ||
Kidney failure | 6 (23) | 54 (8) | 0.005 | ||
Chronic | 2 (7) | 10 (1) | |||
Liver failure | 0 (0) | 6 (1) | 0.64 | ||
Heart failure | 0 (0) | 22 (3) | 0.36 | ||
Malignancy | 4 (15) | 84 (12) | 0.59 | ||
Sepsis | 3 (12) | 75 (11) | 0.88 | ||
Outcome | |||||
Total length of ICU stay, days, mean (SD) | 7.5 (7.5) | 2.9 (5.1) | 0.004 | ||
Length of ICU stay, primary admission, mean (SD) | 3.0 (5.2) | 2.8 (4.1) | 0.88 | ||
ICU mortality, n (%) | 6 (22) | na | |||
30-day mortality, n (%) | 7 (26) | 50 (7) | <0.001 | ||
Treatment strategy, n (%) | 6 (22) | na |