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Table 2 Percentage increase in IHD mortality associated with a 10-μg/m 3 increase in PM 10 concentrations by four seasons using the single-pollutant model in GAMM

From: Spatiotemporal analysis of particulate air pollution and ischemic heart disease mortality in Beijing, China

Lag

Season

Percent change (95% CI)

lag0

Spring

0.17(-0.07,0.40)

Summer

0.60(0.13,1.06)*

Autumn

0.35(0.06,0.64)*

Winter

0.23(-0.06,0.51)

lag1

Spring

0.19(-0.05,0.43)

Summer

0.68(0.22,1.14)*b

Autumn

0.27(-0.01,0.56)

Winter

0.12(-0.16,0.41)

lag2

Spring

0.03(-0.21,0.27)

Summer

0.43(-0.03,0.90)b

Autumn

-0.08(-0.37,0.21)

Winter

-0.16(-0.44,0.12)

lag01

Spring

0.24(-0.02,0.51)

Summer

0.83(0.31,1.35)*a

Autumn

0.41(0.08,0.73)*

Winter

0.27(-0.06,0.60)

lag02

Spring

0.22(-0.06,0.51)

Summer

0.88(0.31,1.45)*ab

Autumn

0.29(-0.06,0.65)

Winter

0.14(-0.22,0.51)

  1. Note: *P < 0.05.
  2. aThe difference of effect estimate between summer and spring was statistically significant (p < 0.05).
  3. bThe difference of effect estimate between summer and winter was statistically significant (p < 0.05).
  4. CI: confidence interval.