Table 4.
Variable | mFI-5 = 0 (n = 405) | mFI-5 = 1 (n = 135) | mFI-5 ≥ 2 (n = 77) | p value |
---|---|---|---|---|
LOS (days), mean (SD) | 24.9 (25.0) | 26.1 (20.9) | 28.9 (17.2) | 0.37 |
LOS in ICU (days), mean (SD) | 14.8 (20.8) | 16.6 (19.9) | 20.4 (16.9) | 0.07 |
Surgical intervention rate, mean (SD) | 3.5 (3.9) | 3.4 (3.3) | 3.6 (2.9) | 0.93 |
Mechanical ventilation | 131 (32.3) | 63 (46.7) | 33 (42.9) | 0.04 |
Mechanical ventilation (hours), mean (SD) | 58.6 (221.8) | 119.8 (352.2) | 71.5 (181.4) | 0.05 |
Complications | ||||
Myocardial infarction | 5 (1.2) | 6 (4.4) | 4 (5.2) | 0.03 |
Pneumonia | 44 (10.9) | 19 (14.1) | 13 (16.9) | 0.31 |
Pulmonary embolism | 3 (0.7) | 2 (1.5) | 1 (1.3) | 0.72 |
Thrombosis | 15 (3.7) | 3 (2.2) | 4 (5.2) | 0.53 |
Sepsis | 28 (6.9) | 20 (14.8) | 13 (16.9) | 0.005 |
Urinary tract infection | 33 (8.1) | 13 (9.6) | 16 (20.8) | 0.006 |
In-hospital mortality | 36 (8.9) | 32 (23.7) | 21 (27.3) | <0.0001 |
Perioperative blood transfusions | 110 (27.2) | 54 (40.0) | 41 (53.2) | 0.0004 |
Red blood cells (units), mean (SD) | 3.0 (7.8) | 4.4 (8.9) | 4.2 (6.4) | 0.14 |
Platelets (units), mean (SD) | 0.2 (1.8) | 0.2 (0.7) | 0.1 (0.4) | 0.86 |
Fresh frozen plasma (units), mean (SD) | 1.7 (8.2) | 2.5 (7.2) | 1.5 (4.8) | 0.52 |
Bold values indicate statistically significant differences.
Abbreviations: mFI-5, modified 5-item frailty index; LOS, length of stay; ICU, intensive care unit; SD, standard deviation. Data are presented as n (%), unless otherwise stated.