Total | Clay | Hard court | Sand-fill artificial grass | Red-sand- fill artificial grass | Multiple court surfaces | |
Total number of injuries | 3246 | 763 | 709 | 541 | 717 | 387 |
Body region | ||||||
Upper extremities | 8.9 (7.6 to 10.1) | 8.8 (6.8 to 10.8) | 8.4 (6.8 to 10.1) | 8.3 (7.3 to 9.4) | 9.3 (7.9 to 10.6) | 11.9 (10.6 to 13.1)* |
Back | 4.2 (3.4 to 4.9) | 4.3 (3.4 to 5.2) | 4.7 (3.8 to 5.6) | 4.0 (2.8 to 5.1) | 4.0 (3.0 to 5.1) | 5.0 (3.3 to 6.6)* |
Lower extremities | 11.2 (10.0 to 12.5) | 11.8 (10.2 to 13.3) | 13.5 (12.0 to 14.9)* | 10.0 (8.5 to 11.5) | 10.3 (9.0 to 11.6) | 13.5 (11.3 to 15.8)* |
All regions | 27.4 (24.5 to 30.4) | 27.4 (23.8 to 31.0) | 29.0 (25.3 to 32.7) | 26.9 (25.1 to 28.7) | 27.1 (23.9 to 30.4) | 32.6 (29.7 to 35.5)* |
Data are expressed as mean values with 95% CIs.
*Indicates a significant difference compared with ’total' (p<0.05).