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Table 2 Single-day lag models for association between air pollutant levels and mortalitya

From: Particulate air pollution on cardiovascular mortality in the tropics: impact on the elderly

  Percentage change (95% confidence interval)
Lag 0 Lag 1 Lag 2 Lag 3
Non-accidental mortality
 PM10 0.485 (0.109, 0.863) 0.487 (0.114, 0.862) 0.481 (0.111, 0.852) 0.627 (0.260, 0.995)
 PM2.5 0.593 (0.129, 1.058) 0.518 (0.056, 0.981) 0.504 (0.047, 0.964) 0.660 (0.204, 1.118)
 CO 0.064 (−0.237, 0.366) 0.133 (− 0.166, 0.433) 0.240 (− 0.059, 0.539) 0.219 (− 0.077, 0.514)
 NO2 − 0.124 (− 0.985, 0.744) − 0.025 (− 0.867, 0.824) − 0.082 (− 0.947, 0.791) 0.042 (− 0.800, 0.890)
 O3 0.015 (− 0.372, 0.403) 0.354 (0.011, 0.698) 0.037 (− 0.356, 0.432) 0.219 (− 0.117, 0.557)
 SO2 − 0.218 (− 1.044, 0.616) 0.221 (− 0.603, 1.053) 0.679 (− 0.147, 1.512) −0.390 (− 1.208, 0.435)
Cardiovascular mortality
 PM10 0.553 (− 0.074, 1.185) 0.633 (0.007, 1.262) 0.610 (− 0.010, 1.234) 0.897 (0.283, 1.516)
 PM2.5 0.632 (−0.142, 1.412) 0.603 (−0.172, 1.385) 0.541 (− 0.229, 1.318) 0.883 (0.121, 1.651)
 CO 0.167 (−0.328, 0.665) 0.071 (−0.418, 0.561) 0.135 (− 0.356, 0.629) 0.362 (− 0.132, 0.858)
 NO2 − 0.344 (− 1.707, 1.038) −0.151 (− 1.486, 1.203) −0.897 (− 2.217, 0.441) −0.352 (− 1.726, 1.041)
 O3 0.500 (− 0.134, 1.137) 0.292 (− 0.266, 0.854) 0.105 (− 0.454, 0.667) 0.489 (− 0.154, 1.137)
 SO2 0.223 (− 1.114, 1.577) −0.325 (− 1.647, 1.014) 0.857 (− 0.479, 2.211) −0.197 (− 1.519, 1.143)
  1. aPer 0.1 mg/m3 increase in CO and per 10 μg/m3 increase for other pollutants
  2. Results highlighted in bold are statistically significant