Table 1 Differences of clinical characteristics between survivors and non-survivors (28-day mortality)
Clinical parameters | Total (n = 32,551) | Survivors (n = 28,062) | Non-survivors (n = 4489) | P value |
|---|---|---|---|---|
Age (years) | 63.8 ± 17.9 | 62.6 ± 17.9 | 71.3 ± 16.0 | <0.001 |
Sex (male, %) | 18,089 (56.27) | 15,682 (56.70) | 2407 (53.68) | <0.001 |
SAPSI-1 | 13.7 ± 5.5 | 13.1 ± 5.2 | 17.6 ± 5.8 | <0.001 |
SOFA | 5.5 ± 4.0 | 5.1 ± 3.8 | 8.1 ± 4.6 | <0.001 |
Ethnicity (n, %) | ||||
White | 21,704 (67.5) | 18,684 (67.53) | 3020 (67.34) | 0.810 |
Asian | 1166 (3.63) | 980 (3.54) | 186 (4.15) | 0.044 |
Black | 2912 (9.06) | 2508 (9.06) | 404 (9.01) | 0.902 |
Unknown | 5261 (16.4) | 4526 (16.36) | 737 (16.43) | 0.901 |
Hispanic/latino | 1108 (3.45) | 970 (3.51) | 138 (3.08) | 0.144 |
Comorbidities (n, %) | ||||
Hypertension | 9200 (31.4) | 8064 (31.79) | 1136 (29.18) | 0.001 |
Congestive heart failure | 6288 (21.49) | 5043 (19.88) | 1245 (31.98) | <0.001 |
Chronic pulmonary disease | 5029 (17.19) | 4285 (16.89) | 744 (19.11) | <0.001 |
Paralysis | 398 (1.36) | 341 (1.34) | 57 (1.46) | 0.547 |
Renal failure | 1933 (6.61) | 1555 (6.13) | 378 (9.71) | <0.001 |
Liver disease | 1563 (5.34) | 1283 (5.06) | 280 (7.19) | <0.001 |
Diabetes | 1637 (5.59) | 1438 (5.67) | 199 (5.11) | 0.159 |
Alcohol abuse | 1520 (5.19) | 1372 (5.41) | 148 (3.80) | <0.001 |
AIDS | 208 (0.71) | 188 (0.74) | 20 (0.51) | 0.116 |
Serum iCa on ICU entry (mmol/L) | 1.130 ± 0.111 | 1.133 ± 0.103 | 1.113 ± 0.146 | <0.001 |
Serum creatinin on ICU entry (mg/dL) | 1.38 ± 1.49 | 1.32 ± 1.48 | 1.76 ± 1.52 | <0.001 |
Calcium supplementation (n, %) | 10,810 (33.21) | 9417 (33.56) | 1393 (31.03) | 0.001 |