The pooled cold and hot effects of temperature on IHD mortality along the lag days
| Relative risk | ||
|---|---|---|
| Lag | Cold effect* | Hot effect† |
| 0–2 | 1.08 (0.95, 1.22) | 1.17 (1.10, 1.25) |
| 0–13 | 1.31 (1.19, 1.43) | 1.24 (1.09, 1.39) |
| 0–20 | 1.48 (1.31, 1.66) | 1.18 (1.00, 1.36) |
*1st percentile of temperature relative to 10th percentile of temperature.
†99th percentile of temperature relative to 90th percentile of temperature; see table 1 for the percentiles of temperature.
IHD, ischaemic heart disease.