Incidence (injuries/1000 player match hours) of match injuries on artificial turf and grass for male and female players as a function of injury severity
| Injury severity | Male players | Female players | ||||||
|---|---|---|---|---|---|---|---|---|
| Incidence (95% CI) | Incidence ratio*(95% CI) | p Value(z test) | Incidence (95% CI) | Incidence ratio*(95% CI) | p Value(z test) | |||
| Artificial turf | Grass | Artificial turf | Grass | |||||
| *Incidence ratio values are based on grass as the reference. | ||||||||
| †Includes season ending injuries. | ||||||||
| All injuries | 25.43 (22.00 to 29.40) | 23.92 (22.17 to 25.81) | 1.06 (0.90 to 1.25) | 0.46 | 19.15 (16.17 to 22.68) | 21.79 (20.35 to 23.35) | 0.88 (0.73 to 1.05) | 0.16 |
| Minimal (1–3 days) | 8.34 (6.47 to 10.74) | 7.80 (6.83 to 8.92) | 1.07 (0.80 to 1.42) | 0.65 | 6.29 (4.68 to 8.45) | 6.36 (5.60 to 7.22) | 0.99 (0.72 to 1.36) | 0.94 |
| Mild (4–7 days) | 7.37 (5.63 to 9.64) | 6.91 (5.99 to 7.96) | 1.07 (0.79 to 1.45) | 0.67 | 3.86 (2.65 to 5.63) | 6.25 (5.50 to 7.11) | 0.62 (0.41 to 0.92) | 0.02 |
| Moderate (8–28 days) | 5.00 (3.61 to 6.94) | 6.19 (5.33 to 7.18) | 0.81 (0.56 to 1.16) | 0.25 | 4.14 (2.88 to 5.96) | 3.92 (3.33 to 4.61) | 1.06 (0.71 to 1.58) | 0.78 |
| Severe (>28 days)† | 4.17 (2.92 to 5.96) | 2.81 (2.25 to 3.50) | 1.49 (0.98 to 2.26) | 0.07 | 4.00 (2.76 to 5.80) | 4.75 (4.10 to 5.50) | 0.84 (0.57 to 1.25) | 0.40 |