Table 1 Associations between the minimum temperature and emergency admission for EGVB in conditional logistic regression analysis before and after adjusted for RH% and AP on lag 0
Groups | Cases (%) | Controls (%) | RRs (95% CI) | P value | ||
|---|---|---|---|---|---|---|
Unadjusted | Adjusted | Unadjusted | Adjusted | |||
< = − 10 °C | 34 (0.81) | 191 (1.03) | referent | referent | referent | referent |
> − 10 °C and < = 0 °C | 1411 (33.56) | 6174 (33.42) | 1.36(0.91–2.02) | 1.26 (0.83–1.9) | 0.131 | 0.275 |
> 0 °Cand < = 10 °C | 898 (21.36) | 3920 (21.22) | 1.44(0.95–2.19) | 1.34 (0.85–2.09) | 0.088 | 0.208 |
> 10 °C and < = 20 °C | 1144 (27.21) | 4999 (27.06) | 1.45(0.94–2.26) | 1.32 (0.81–2.15) | 0.096 | 0.263 |
> 20 °C | 717 (17.06) | 3190 (17.27) | 1.45(0.91–2.31) | 1.35 (0.81–2.27) | 0.115 | 0.253 |