Forwards | Backs | All | ||||
---|---|---|---|---|---|---|
Incidence (95% CI) | Severity (95% CI) | Incidence (95% CI) | Severity (95% CI) | Incidence (95% CI) | Severity (95% CI) | |
New | 1.7 (1.4 to 1.9) | 21 (17 to 25) | 1.6 (1.3 to 1.8) | 21 (15 to 28) | 1.6 (1.5 to 1.8) | 21 (17 to 25) |
Recurrent | 0.45 (0.33 to 0.58) | 37 (20 to 54) | 0.27 (0.16 to 0.39) | 30 (7 to 54) | 0.38 (0.29 to 0.46) | 35 (22 to 48) |
All | 2.1 (1.9 to 2.4) | 24 (19 to 29) | 1.8 (1.6 to 2.1) | 23 (16 to 29) | 2.0 (1.8 to 2.2) | 24 (20 to 27) |