Relative risk of emergency visits by sports injuries for cold and hot temperatures compared with the temperature at which risk is at minimum
| Cold (5°C vs 1°C) | Hot (28°C vs 1°C) | |
| RR (95% CI) | RR (95% CI) | |
| Overall | 2.10 (1.04 to 4.26) | 3.27 (0.78 to 13.66) |
| Gender | ||
| Male | 1.73 (0.83 to 3.59) | 2.07 (0.39 to 11.06) |
| Female | 3.28 (0.74 to 14.63) | 3.50 (0.14 to 90.15) |
| Age | ||
| ≤20 years | 4.20 (1.00 to 17.58) | 6.43 (0.45 to 91.25) |
| 21–59 years | 1.39 (0.60 to 3.25) | 3.07 (0.53 to 17.91) |
| ≥60 years | 1.17 (0.20 to 6.99) | 1.48 (0.03 to 68.01) |
| Department | ||
| Traumatology and orthopaedic surgery | 2.29 (1.00 to 5.20) | 4.74 (0.83 to 26.99) |
| Other departments | 1.04 (0.33 to 3.35) | 1.42 (0.15 to 13.22) |
95% CI, 95% confidence interval; RR, relative risk.