Table 2.
The relative risks and 95%CI of cold effect of absolute temperature and apparent temperature on the number of hospitalizations for osteoporotic fractures at lag 2 day.
| Absolute temperature* | Apparent temperature** | |
|---|---|---|
| Cold effect | Cold effect | |
| All | 1.14 (1.04, 1.25) | 1.14 (1.04, 1.25) |
| Gender | ||
| Male | 1.19 (0.97, 1.45) | 1.20 (0.99, 1.45) |
| Female | 1.12 (1.01, 1.24) | 1.12 (1.02, 1.24) |
| Age | ||
| <75 | 1.19 (1.06, 1.35) | 1.18 (1.04, 1.33) |
| 75+ | 1.12 (0.98, 1.29) | 1.09 (0.97, 1.23) |
| History of fracture | ||
| Yes | 1.22 (0.98, 1.50) | 1.27 (1.05, 1.53) |
| No | 1.10 (1.00, 1.22) | 1.11 (1.00, 1.22) |
Bold represents statistically significant; *Cold effect (0.5 vs. 24.0°C) of absolute temperature; **Cold effect (−2.0 vs. 25.8°C) of apparent temperature.