. 2009 Nov 5;19(6):328–332. doi: 10.2188/jea.JE20080074

Table 4. Percent increase in coronary heart disease mortality among Shanghai residents for each 1 °C increase in 2-day lagged diurnal temperature range, by season^a,b .

Method	Warm season	Cool season
TS	2.31 (1.74–2.88)	2.58 (1.96–3.20)
UCC	3.43 (2.01–4.85)	2.89 (1.66–4.12)
BCC	2.24 (1.61–2.87)	2.05 (1.07–3.03)

Abbreviations: TS, time-series analysis; UCC, unidirectional case-crossover analysis; BCC, bidirectional case-crossover analysis.

^aFor UCC analysis, the same weekdays 1, 2, or 3 weeks before the death were selected as the control periods; for BCC analysis, the same weekdays 1, 2, or 3 weeks before, and after, the death were selected as the control periods.

^bWarm season, April through September; cool season, October through March.

Table 4. Percent increase in coronary heart disease mortality among Shanghai residents for each 1 °C increase in 2-day lagged diurnal temperature range, by seasona,b .

Table 4. Percent increase in coronary heart disease mortality among Shanghai residents for each 1 °C increase in 2-day lagged diurnal temperature range, by season^a,b .