Table 1 General patient characteristics and comparison between survivors and nonsurvivors
From: Vitamin D status and its association with season, hospital and sepsis mortality in critical illness
Overall (n = 655) | Survivors (n = 520) | Nonsurvivors (n = 135) | |
|---|---|---|---|
Gender, n (%) | |||
female | 243 (37.1%) | 192 (36.9%) | 51 (37.8%) |
male | 412 (62.9%) | 328 (63.1%) | 84 (62.2%) |
Age (years), median (iqr) | 65 (22) | 64 (23) | 69 (20)* |
SAPS II, median (iqr) | 26 (16) | 24 (15) | 32 (19)* |
Type of ICU, n (%) | |||
medical | 238 (36.3%) | 178 (34.2%) | 60 (44.4%) |
neurologic | 164 (25.0%) | 147 (28.3%) | 17 (12.6%) |
mixed surgical | 150 (22.9%) | 112 (21.5%) | 38 (28.1%) |
cardiothoracic | 103 (15.7%) | 83 (16.0%) | 20 (14.8%) |
Length of ICU stay (days), median (iqr) | 6.0 (8.31) | 5.1 (7.5) | 9.1 (10.7)* |
Length of hospital stay (days), median (iqr) | 14.9 (18.6) | 15.9 (19.1) | 11.9 (14.1)* |
25(OH) D (ng/ml), median (iqr) | 17.3 (13.9) | 17.9 (14.1) | 13.3 (11.4)* |
25(OH) D category, n (% of total population) | |||
<20 ng/ml | 394 (60.2%) | 298 (57.3%) | 96 (71.1%) |
<12 ng/ml | 193 (29.5%) | 139 (26.7%) | 54 (40.0%) |
20-30 ng/ml | 172 (26.3%) | 148 (28.5%) | 24 (17.8%) |
>30 ng/ml | 89 (13.6%) | 74 (14.2%) | 15 (11.1%) |
30-40 ng/ml | 50 (7.6%) | 42 (8.1%) | 8 (5.9%) |
40-50 ng/ml | 22 (3.4%) | 19 (3.7%) | 3 (2.2%) |
>50 ng/ml | 17 (2.6%) | 13 (2.5%) | 4 (3.0%) |
GFR (ml/min), mean ± sd | 83 ± 54 | 88 ± 54 | 67 ± 50* |
CRP (mg/dl), mean ± sd | 102 ± 102 | 89 ± 93 | 150 ± 118* |
Total calcium (mmol/l), mean ± sd | 2.12 ± 0.19 | 2.14 ± 0.18 | 2.06 ± 0.20* |
Ionized calcium (mmol/l), mean ± sd | 1.10 ± 0.11 | 1.11 ± 0.10 | 1.06 ± 0.12* |
Phosphate (mmol/l), mean ± sd | 1.18 ± 0.44 | 1.15 ± 0.39 | 1.27 ± 0.58* |
PTH (pg/ml), median (iqr) | 48 (45) | 47 (40) | 60 (78)* |