Table 3 The impact of cold and heat effects on COPD hospitalization in different age and gender subgroups under the cumulative lag structure.
Lag days | RR and 95% confidence intervals of cold effect (P5=-5.5℃) | RR and 95% confidence intervals of of heat effect (P95 = 24.4℃) | ||||||
---|---|---|---|---|---|---|---|---|
Male | Female | < 65 ages | ≥ 65 ages | Male | Female | < 65 ages | ≥ 65 ages | |
lag0-1 | 0.790 (0.650,0.959) | 0.995 (0.792,1.250) | 0.800 (0.625,1.023) | 0.832 (0.700,0.989) | 1.151 (0.954,1.389) | 0.985 (0.783,1.240) | 1.238 (0.967,1.585) | 1.004 (0.844,1.193) |
lag0-2 | 0.741 (0.578,0.948) | 0.985 (0.736,1.318) | 0.756 (0.552,1.035) | 0.785 (0.630,0.978) | 1.191 (0.935,1.517) | 0.990 (0.736,1.333) | 1.291 (0.939,1.776) | 1.019 (0.815,1.273) |
lag0-3 | 0.718 (0.545,0.947) | 0.971 (0.701,1.344) | 0.738 (0.519,1.050) | 0.756 (0.591,0.966) | 1.204 (0.915,1.585) | 1.002 (0.716,1.403) | 1.295 (0.903,1.858) | 1.042 (0.809,1.341) |
lag0-4 | 0.718 (0.538,0.956) | 0.953 (0.680,1.337) | 0.744 (0.516,1.072) | 0.741 (0.574,0.957) | 1.194 (0.893,1.595) | 1.019 (0.715,1.454) | 1.256 (0.858,1.837) | 1.071 (0.820,1.399) |
lag0-5 | 0.735 (0.552,0.980) | 0.934 (0.666,1.309) | 0.768 (0.533,1.108) | 0.739 (0.572,0.955) | 1.164 (0.867,1.562) | 1.039 (0.724,1.492) | 1.184 (0.805,1.741) | 1.105 (0.842,1.450) |
lag0-6 | 0.769 (0.579,1.021) | 0.913 (0.654,1.276) | 0.809 (0.563,1.163) | 0.746 (0.579,0.962) | 1.121 (0.835,1.504) | 1.060 (0.738,1.522) | 1.094 (0.744,1.608) | 1.140 (0.868,1.497) |
lag0-7 | 0.814 (0.612,1.082) | 0.894 (0.640,1.249) | 0.863 (0.601,1.241) | 0.760 (0.589,0.981) | 1.071 (0.798,1.438) | 1.076 (0.748,1.547) | 1.001 (0.681,1.471) | 1.172 (0.891,1.540) |
lag0-8 | 0.867 (0.649,1.158) | 0.877 (0.624,1.232) | 0.925 (0.640,1.339) | 0.779 (0.601,1.009) | 1.023 (0.760,1.376) | 1.083 (0.750,1.564) | 0.916 (0.622,1.350) | 1.196 (0.907,1.576) |
lag0-9 | 0.922 (0.686,1.240) | 0.865 (0.611,1.223) | 0.990 (0.678,1.446) | 0.799 (0.613,1.041) | 0.978 (0.726,1.319) | 1.079 (0.745,1.562) | 0.846 (0.572,1.250) | 1.207 (0.914,1.595) |
lag0-10 | 0.977 (0.724,1.318) | 0.858 (0.604,1.218) | 1.053 (0.716,1.547) | 0.820 (0.628,1.071) | 0.941 (0.699,1.268) | 1.060 (0.732,1.535) | 0.793 (0.537,1.171) | 1.203 (0.911,1.589) |
lag0-11 | 1.027 (0.762,1.384) | 0.858 (0.606,1.216) | 1.110 (0.754,1.633) | 0.841 (0.644,1.097) | 0.912 (0.680,1.224) | 1.028 (0.714,1.480) | 0.757 (0.515,1.111) | 1.182 (0.899,1.556) |
lag0-12 | 1.072 (0.799,1.438) | 0.867 (0.616,1.221) | 1.158 (0.789,1.699) | 0.863 (0.664,1.121) | 0.890 (0.667,1.185) | 0.983 (0.689,1.402) | 0.735 (0.505,1.070) | 1.145 (0.876,1.497) |
lag0-13 | 1.111 (0.833,1.483) | 0.887 (0.633,1.242) | 1.198 (0.820,1.751) | 0.888 (0.687,1.147) | 0.872 (0.659,1.155) | 0.928 (0.656,1.314) | 0.726 (0.503,1.046) | 1.094 (0.842,1.420) |
lag0-14 | 1.149 (0.862,1.530) | 0.919 (0.658,1.284) | 1.233 (0.845,1.798) | 0.919 (0.713,1.186) | 0.857 (0.649,1.131) | 0.868 (0.616,1.224) | 0.724 (0.505,1.039) | 1.031 (0.796,1.336) |
lag0-15 | 1.189 (0.891,1.587) | 0.968 (0.691,1.355) | 1.267 (0.868,1.849) | 0.962 (0.745,1.243) | 0.839 (0.636,1.108) | 0.806 (0.572,1.137) | 0.725 (0.506,1.038) | 0.963 (0.743,1.247) |
lag0-16 | 1.238 (0.927,1.653) | 1.036 (0.738,1.454) | 1.305 (0.895,1.904) | 1.022 (0.791,1.322) | 0.817 (0.619,1.078) | 0.747 (0.530,1.053) | 0.723 (0.505,1.034) | 0.891 (0.688,1.154) |
lag0-17 | 1.301 (0.979,1.728) | 1.129 (0.809,1.575) | 1.354 (0.937,1.956) | 1.107 (0.860,1.424) | 0.788 (0.601,1.032) | 0.691 (0.494,0.966) | 0.714 (0.504,1.012) | 0.820 (0.637,1.055) |
lag0-18 | 1.384 (1.060,1.806) | 1.254 (0.917,1.715) | 1.416 (1.003,1.999) | 1.224 (0.966,1.551) | 0.750 (0.583,0.965) | 0.640 (0.469,0.875) | 0.696 (0.504,0.962) | 0.751 (0.593,0.950) |
lag0-19 | 1.493 (1.180,1.889) | 1.421 (1.076,1.875) | 1.498 (1.104,2.033) | 1.386 (1.124,1.710) | 0.704 (0.565,0.878) | 0.595 (0.453,0.781) | 0.667 (0.503,0.885) | 0.684 (0.557,0.841) |
lag0-20 | 1.384 (1.060,1.806) | 1.642 (1.299,2.075) | 1.605 (1.239,2.078) | 1.610 (1.348,1.923) | 0.650 (0.542,0.780) | 0.555 (0.444,0.693) | 0.627 (0.498,0.790) | 0.622 (0.526,0.736) |
lag0-21 | 1.825 (1.519,2.192) | 1.937 (1.560,2.406) | 1.741 (1.373,2.209) | 1.918 (1.625,2.264) | 0.591 (0.503,0.694) | 0.520 (0.427,0.632) | 0.578 (0.472,0.708) | 0.564 (0.486,0.654) |