Laboratory investigations at diagnosis and during admission
| Laboratory investigation | Under 70 survivors | Under 70 died | Over 70 survivors | Over 70 died |
|---|---|---|---|---|
| Lymphocyte count on presentation ×109/L (NR 1.4–4.8) | 1.0 (0.73–1.3) | 1.0 (0.58–1.93) | 0.95 (0.7–1.3) | 1.0 (0.78–1.33) |
| Lowest lymphocyte count ×109/L | 0.9 (0.6–1.3) | 0.7 (0.5–0.9) | 0.8 (0.6–1.0) | 0.9 (0.63–1.13) |
| Platelet count on presentation ×109/L (NR 150–400) | 244.5 (180.75–273) | 225.5 (181–231.25) | 225.0 (180.5–288.5) | 289* (242.5–395.75) |
| Lowest platelet count ×109/L | 235.5 (173–256.5) | 191 (145.5 – 226.5) | 197.0 (147.5–256) | 236.5 (187–273) |
| White cell count on presentation ×109/L (NR 4.0–11.0) | 6.25 (5.28–8.93) | 8.9 (7.0–12.1) | 8.7 (6.7–12.35) | 13.1* (9.1–15.65) |
| Highest white cell count ×109/L | 7.05 (5.6–12.3) | 13.15* (11.18–17.53) | 9.85 (7.0–14.38) | 14.05* (13.18–19.55) |
| CRP on presentation mg/L (NR<5) | 57.0 (30.25–133.25) | 126.5* (66.25–196.5) | 58.0 (25.75–101.75) | 49.0 (30–207) |
| Highest CRP mg/L | 61.5 (37.25–223.75) | 232.5* (115.5–314.0) | 80 (50.0–214.0) | 96 (54.25–217.5) |
Values are median (interquartile range). CRP = C-reactive protein; NR = normal range.
↵*p<0.05, comparing those who survived to those who died within each age-group cohort.