Table 1 Characteristics of groups A and B.
| Group A (n = 143) | Group B (n = 133) | p | ||||
|---|---|---|---|---|---|---|
| Age, mean (SD) | 66.9 (17.6) | 77.4 (10.7) | <0.01 | |||
| Men, % | 38.5 % | 51% | <0.05 | |||
| Cerebrovascular disease, % | 23.1 % | 33.0% | 0.06 | |||
| Diabetes, % | 35.0 % | 31.6% | 0.55 | |||
| Liver cirrhosis, % | 7.0 % | 10.5% | 0.30 | |||
| COPD, % | 14.7 % | 19.5% | 0.28 | |||
| Blood temperature, mean (SD) | 37.2 (3.3) | 37.4 (1.5) | 0.47 | |||
| Heart rate, mean (SD) | 108.9 (25.6) | 113.1 (23.3) | 0.16 | |||
| Respiratory rate, mean (SD) | 21.8 (5.6) | 23.1 (5.9) | 0.07 | |||
| Systolic BP, mean (SD) | 105.7(89.8) | 108.4 (28.3) | 0.74 | |||
| pH, mean (SD) | 7.42 (0.10) | 7.39 (0.13) | 0.05 | |||
| HCO3, mean (SD) | 19.4 (7.3) | 19.1 (7.2) | 0.72 | |||
| WBC×103, mean (SD) | 15.17 (8.62) | 14.91 (9.64) | 0.82 | |||
| Bandaemia %, mean (SD) | 13.0 (25.8) | 14.3 (15.3) | 0.61 | |||
| Haematocrit, mean (SD) | 34.4 (7.2) | 33.4 (7.0) | 0.26 | |||
| Platelet×103, mean (SD) | 205.7 (100.9) | 170.4 (105.9) | <0.01 | |||
| Mortality, % | 25 (17.5%) | 65 (48.9%) | <0.01 | |||
| APACHE II score | ||||||
| Mean (SD) | 20.8 (7.1) | 25.0 (6.4) | <0.01 | |||
| Median* | 20 (15 to 27) | 25 (20.5 to 29) | <0.01 | |||
| Length of hospital stay (days) | ||||||
| Mean (SD) | 22.1 (19.8) | 21.1 (23.3) | 0.70 | |||
| Median* | 14 (8 to 32) | 13 (4 to 32) | 0.10 |
Group A, MEDS score <12; group B, MEDS score 12–27; APACHE, Acute Physiology and Chronic Health Evaluation; MEDS, Mortality in Emergency Department Sepsis; COPD, chronic obstructive pulmonary disease; BP, blood pressure, WBC, white blood count. *25th to 75th percentile.