Table 3.
Crude 90-day survival rates by various predictors
| Predictor | Category | N | Patients alive 90 days after arrival n (%) |
|---|---|---|---|
| NEWS on ED arrival* | 0 | 13 | 13 (100) |
| 1–4 | 96 | 90 (94) | |
| 5–6 | 61 | 49 (80) | |
| ≥7 | 76 | 52 (68) | |
| ASA score* | 1 | 20 | 20 (100) |
| 2 | 44 | 42 (96) | |
| 3 | 164 | 133 (81) | |
| 4 | 18 | 9 (50) | |
| Age* | <40 | 18 | 18 (100) |
| 40–49 | 16 | 15 (94) | |
| 50–59 | 31 | 27 (87) | |
| 60–69 | 58 | 52 (90) | |
| 70–79 | 66 | 54 (82) | |
| 80–89 | 44 | 31 (70) | |
| ≥90 | 13 | 7 (54) | |
| COPDa | No | 175 | 142 (81) |
| Yes | 71 | 62 (87) |
NEWS National Early Warning Score, grouped by risk categories [5]. ASA score American Society of Anesthesiologists Physical Status score prior to this acute incident
*Cochrane Armitage trend test p < 0.0001. aFishers Exact test: p = 0.28