Table 2 Random Effects Meta-analysis of all CBSAs in Study Cohort

From: A case-crossover analysis of short-term PM2.5 exposure and COVID19-related hospitalizations in the National Clinical Cohort Collaborative

Region

2-day PM2.5

5-day PM2.5

21-day PM2.5

Overall

0.61 (95% CI = 0.12, 1.11; P = 0.02)

0.91 (95% CI = 0.15, 1.67, P = 0.02)

0.04 (95% CI = −2.70, 2.85; P = 0.98)

South

1.43 (95% CI = 0.72, 2.14, P = 7.1 × 10−5)

2.77 (95% CI = 1.30, 4.26; P = 2.0 × 10−4)

6.67 (95% CI = 2.34, 11.2; P = 0.002)

Midwest

0.68 (95% CI = −0.17, 1.55, P = 0.12)

0.83 (95% CI = −0.26, 1.94; P = 0.14)

−0.11 (95% CI = −2.61, 2.46; P = 0.93)

West

−0.24 (95% CI = −0.76, 0.27, P = 0.35)

−0.10 (95% CI = −0.68, 0.48, P = 0.73)

−3.44 (95% CI = −6.98, 0.24; P = 0.07)

Northeast

0.28 (95% CI = −0.80, 1.37, P = 0.61)

−1.77 (95% CI = −2.51, −1.02; P = 3.7 × 10−6)

−13.0 (95% CI = −25.1, 1.19; P = 0.07)

  1. Results are given as a percentage change as described in the Methods. CI confidence interval
Back to article page