Table 4 Progression risk score description
|  | Total cohort (n = 1145) | Non-severe disease (n = 809) | Severe disease (n = 336) | p-value |
|---|---|---|---|---|
Progression risk score, median (IQR) | 19 (13–26) | 15 (11–20) | 30 (25–35) |  < 0.001 |
Risk score cut-off > 23, n (%) | 357 (31.2) | 92 (11.4) | 265 (78.9) |  < 0.001 |
Risk score levels, n (%) | Â | Â | Â | Â |
 Low | 788 (88.8) | 717 (88.6) | 71 (21.1) |  < 0.001 |
 Medium | 288 (25.2) | 90 (11.1) | 198 (58.9) |  |
 High | 69 (6.0) | 2 (0.3) | 67 (19.9) |  |