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Number of patients according to CRS class
| All patients | No SYS | SYS | P-value | |
|---|---|---|---|---|
| Clinical Risk Score | <0.001 | |||
| 0 | 141 (7.0%) | 60 (10.3%) | 81 (5.6%) | |
| 1 | 518 (25.6%) | 188 (32.2%) | 330 (23.0%) | |
| 2 | 629 (31.1%) | 178 (30.5%) | 451 (31.4%) | |
| 3 | 570 (28.2%) | 127 (21.7%) | 443 (30.8%) | |
| 4 | 131 (1.5%) | 27 (4.6%) | 104 (7.2%) | |
| 5 | 31 (1.5%) | 4 (0.7%) | 27 (1.9%) |
