Table 1 Meteorological and secondary stroke endpoint distributions by insolation exposure in the exploration (n = 8886) and confirmatory (n = 8887) samples
Characteristic | Exploratory sample | Confirmatory sample | P-value |
|---|---|---|---|
Quartiles of insolation, n (%) | Â | Â | Â |
  1st (12327 to 15565 KJ/m2/day) | 2207 (24.8%) | 2236 (25.2%) |  |
  2nd (15565 to 16724 KJ/m2/day) | 2180 (24.5%) | 2263 (25.5%) | 0.22 |
  3rd (16724 to 17724 KJ/m2/day) | 2223 (25.0%) | 2220 (25.0%) |  |
  4th (17724 to 22733 KJ/m2/day) | 2276 (25.6%) | 2168 (24.4%) |  |
Maximum Temperature, n (%) | Â | Â | Â |
  1st quartile (8.5 to 17.8°C) | 2206 (24.8%) | 2237 (25.2%) |  |
  2nd quartile (17.8 to 21.7°C) | 2247 (25.3%) | 2198 (24.7%) | 0.82 |
  3rd quartile (21.7 to 24.0°C) | 2224 (25.0%) | 2217 (24.9%) |  |
  4th quartile (24.0 to 31.7°C) | 2209 (24.9%) | 2235 (25.1%) |  |
SBP, mean mmHg (SD) | 126.5 (16.4) | 126.4 (16.0) | 0.49 |
Cholesterol, mean mg/dL (SD) | 195.0 (38.2) | 194.3 (37.8) | 0.25 |
LDL, mean mg/dL (SD) | 116.8 (34.0) | 116.3 (33.9) | 0.34 |
HDL, mean mg/dL (SD) | 53.3 (16.3) | 53.2 (16.1) | 0.24 |
Ln CRP, mean mg/dL (SD) | 0.77 (1.16) | 0.75 (1.18) | 0.17 |
Hypertensive, n (%) | 4847 (54.5%) | 4760 (53.6%) | 0.19 |
Dyslipidemia, n (%) | 4778 (53.8%) | 4718 (53.1%) | 0.36 |
High CRP risk category, n (%) | 3511 (39.5%) | 3449 (38.8%) | 0.3377 |
Impaired kidney function, n (%) | 737 (8.3%) | 722 (8.1%) | 0.68 |