Table 1 Baseline and intensive care variables
Characteristic or exposure | All patients (n = 386) | Excluded from analysis (n = 59) | Included in analysis (n = 327) | P valuea |
|---|---|---|---|---|
Baseline variables | ||||
Age, median (IQR), y | 55 (44–66) | 55 (45–66) | 55 (44–66) | 0.88 |
Female sex, n (%) | 189 (49) | 28 (47) | 161 (49) | 0.80 |
Race, n (%) | 0.03 | |||
White | 167 (43) | 17 (29) | 150 (46) | |
Black | 197 (51) | 36 (61) | 161 (49) | |
Other | 22 (6) | 6 (10) | 16 (5) | |
Ambulatory status prior to ICU admission, n (%) | 0.06 | |||
Ambulatory | 282 (73) | 37 (63) | 245 (75) | |
Not ambulatory | 30 (8) | 4 (7) | 26 (8) | |
Unknown/missing | 74 (19) | 18 (31) | 56 (17) | |
Intensive care variables | ||||
Admission diagnosis category, n (%) | 0.92 | |||
Respiratory failure | 122 (32) | 20 (34) | 102 (31) | |
Gastrointestinal | 58 (15) | 7 (12) | 51 (16) | |
Sepsis, non-pulmonary | 47 (12) | 7 (12) | 40 (12) | |
Cardiovascular | 39 (10) | 5 (8) | 34 (10) | |
Other | 120 (31) | 20 (34) | 100 (31) | |
Average sleep quality, median (IQR)b | 54 (40–68) | 46 (0–73) | 55 (40–68) | 0.16 |
Ever received mechanical ventilation, n (%) | 220 (57) | 39 (66) | 181 (55) | 0.13 |
Ever deliriousc, n (%) | 223 (58) | 24 (41) | 199 (61) | 0.004 |
Ever comatosec, n (%) | 123 (32) | 31 (53) | 92 (28) | <0.001 |
Ever received benzodiazepine bolus, n (%) | 93 (24) | 10 (17) | 83 (25) | 0.16 |
Ever received opioid bolus, n (%) | 145 (38) | 11 (19) | 134 (41) | 0.001 |
Ever received sedation infusion, n (%)d | 139 (36) | 25 (42) | 114 (35) | 0.27 |
Length of stay in ICU, median (IQR), d | 3 (2–6) | 2 (2–6) | 3 (2–7) | 0.45 |
Died in the ICU, n (%) | 63 (16) | 22 (37) | 41 (13) | <0.001 |
Died in the hospital, n (%) | 91 (24) | 28 (47) | 63 (19) | <0.001 |