Table 2. Baseline characteristics of MAP groupsa.
| Characteristic | MAP | P | |||
|---|---|---|---|---|---|
| Group 0 (n=68) | Group 1 (n=519) | Group 2 (n=593) | Group 3 (n=215) | ||
| 28-day mortality rate (%) | 27 (39.7) | 95 (18.3) | 60 (10.1) | 29 (13.4) | <0.001 |
| Average of 24 hr MAP* | 61.0±3.7 | 71.0±2.6 | 79.1±2.7 | 92.0±7.0 | |
| Age | 59.8±15.4 | 62.8±15.5 | 63.4±13.0 | 63.6±13.6 | 0.231 |
| Male sex, No. (%) | 37 (54.4) | 296 (57.0) | 327 (55.1) | 127 (59.1) | 0.754 |
| Initial SOFA score | 8.6±3.7 | 7.1±3.3 | 6.6±3.2 | 5.0±3.2 | <0.001 |
| Preexisting conditions, No. (%) | |||||
| Hypertension | 14 (20.6) | 162 (31.2) | 202 (34.1) | 88 (40.9) | 0.008 |
| Diabetes | 14 (20.6) | 114 (22.0) | 141 (23.8) | 52 (24.2) | 0.823 |
| Chronic heart disease | 13 (19.1) | 56 (10.8) | 62 (10.5) | 21 (9.8) | 0.162 |
| Chronic lung disease | 4 (5.9) | 29 (5.6) | 34 (5.7) | 13 (6.0) | 0.996 |
| Liver cirrhosis | 9 (13.2) | 41 (7.9) | 30 (5.1) | 10 (4.7) | 0.018 |
| Chronic renal disease | 4 (5.9) | 34 (6.6) | 21 (3.5) | 14 (6.5) | 0.111 |
| Metastatic malignancy | 14 (20.6) | 105 (20.2) | 156 (26.3) | 50 (23.3) | 0.111 |
a, group category: group 0, a-MAP <65 mmHg; group 1, 65 mmHg ≤ a-MAP <75 mmHg; group 2, 75 mmHg ≤ a-MAP <85 mmHg; group 3, a-MAP ≥85 mmHg. MAP, mean arterial pressure; SOFA, Sequential Organ Failure Assessment.