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Table 3 Attributable fraction (%) of hospital outpatient visits attributable to ambient temperature exposure for respiratory diseases and subcategories by age-group, 2013 to 2017

From: Morbidity burden of respiratory diseases attributable to ambient temperature: a case study in a subtropical city in China

Subgroup Total visits Overall Extreme cold Moderate cold Moderate heat Extreme heat
AF (%) AF (%) AF (%) AF (%) AF (%)
Total respiratory 75,015 8.4 (2.8, 13.3) 0.3 (0.0, 0.6) 0.0 (0.0, 0.1) 7.5 (2.4, 12.2) 0.6 (0.0, 1.1)
 < 65 years 57,567 13.6 (7.3, 19.2) 0.2 (−0.1, 0.4) 0.0 (0.0, 0.0) 12.6 (6.8, 17.8) 1.0 (0.4, 1.6)
 ≥65 years 17,448 7.5 (−12.7, 23.7) 1.8 (0.1, 3.0) 5.8 (−13.8, 21.1) 0.0 (0.0, 0.0) 0.0 (−0.1, 0.1)
COPD 11,068 5.3 (−2.5, 11.9) 1.1 (0.3, 1.8) 0.7 (−0.7, 1.9) 2.9 (−4.4, 9.0) 0.6 (−0.7, 1.5)
 < 65 years 3918 5.5 (−5.4, 13.7) 0.4 (−0.9, 1.4) 0.5 (− 2.2, 2.9) 3.6 (−6.2, 11.8) 0.7 (−1.2, 2.0)
 ≥65 years 7150 5.4 (−5.3, 14.2) 1.5 (0.6, 2.3) 0.8 (−0.4, 1.9) 2.5 (−7.8, 11.1) 0.3 (−1.3, 1.5)
Bronchiectasis 7991 10.2 (−3.3, 21.0) 0.3 (−0.4, 0.9) 0.0 (−0.2, 0.3) 8.8 (−3.3, 18.8) 1.2 (− 0.3, 2.4)
 < 65 years 6113 14.0 (−3.9, 27.9) 0.0 (− 0.3, 0.3) 0.0 (0.0, 0.0) 12.5 (−4.2, 25.5) 1.7 (− 0.3, 3.1)
 ≥65 years 1878 4.5 (−9.7, 16.7) 0.6 (−5.3, 3.7) 2.0 (−4.0, 3.9) 0.0 (0.0, 0.0) 0.0 (−1.2, 1.0)
Asthma 28,059 8.8 (0.2, 16.1) 0.6 (0.2, 1.0) 0.1 (0.0, 0.3) 7.8 (0.2, 14.5) 0.3 (−0.6, 1.2)
 < 65 years 24,808 12.3 (3.4, 19.8) 0.5 (0.0, 0.9) 0.1 (−0.1, 0.2) 11.1 (3.3, 18.1) 0.7 (−0.3, 1.6)
 ≥65 years 3251 36.7 (5.6, 56.7) 4.3 (1.4, 5.9) 33.7 (2.3, 53.3) 0.0 (0.0, 0.0) 0.7 (−0.1, 1.4)
  1. Moderate cold and heat are temperature ranges between MMT and the 5th or 95th percentile of temperatures, respectively; Extreme cold and heat are temperature ranges at 5th percentile of temperature and below, or at the 95th percentile of temperature and above, respectively