Table 3 The cumulative cold and hot effects of temperature on cerebrovascular disease death along the lag days, using 4 degrees of freedom natural cubic spline for lag

Lag 0–2

1.016 (0.973,1.062)

1.006 (0.970,1.043)

1.023 (0.996,1.050)

1.005 (0.992,1.019)

0.991 (0.975,1.007)

Lag 0–13

1.050 (0.994,1.110)

1.085 (1.033,1.140)*

1.009 (0.971,1.049)

1.029 (1.011,1.048)*

1.027 (1.004,1.052)*

Lag 0–20

1.070 (1.002,1.141)*

1.072 (1.013,1.136)*

1.011 (0.966,1.058)

1.037 (1.014,1.061)*

1.033 (1.003,1.063)*

Lag 0–2

1.027 (1.005,1.051)*

1.049 (1.011,1.087)*

1.025 (1.004,1.046)*

1.047 (1.022,1.073)*

1.056 (1.000,1.114)

Lag 0–13

1.044 (1.009,1.081)*

1.012 (0.955,1.072)

0.983 (0.950,1.018)

1.045 (1.006,1.085)*

0.986 (0.909,1.070)

Lag 0–20

1.062 (1.017,1.109)*

0.996 (0.925,1.073)

0.972 (0.929,1.017)

1.023 (0.978,1.071)

1.014 (0.915,1.123)