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Table 2 Summary relative risk estimates (SRRE), 95% confidence intervals (CI)†, and number of studies in subgroup analyses

From: Association between mesothelioma and non-occupational asbestos exposure: systematic review and meta-analysis

  SRRE (95% CI) No. Studies SRRE (95% CI) No. Studies SRRE (95% CI) No. Studies SRRE (95% CI) No. Studies
Overall Exposure Neighborhood Domestic Household
Gender
 Male 4.80 (1.96, 11.76) 7 5.71 (1.18, 27.54) 4 3.24 (1.63, 6.45) 5 2.40 (0.2, 26.70) 1
 Female 7.83 (3.30, 18.57) 10 7.69 (1.91, 31.00) 5 6.13 (2.42, 15.51) 8 4.30 (1.20, 15.1) 1
Fiber type
 Chrysotile 3.56 (0.65,20.82) 3 2.70 (0.03, 273.75) 2 4.30 (1.24, 14.94) 2 0
 Mixed 7.63 (3.68, 15.82) 8 10.36 (3.24, 33.16) 7 7.40 (2.69, 20.37) 5 1.30 (0.80,2.30) 1
 Not reported 2.66 (1.89, 3.74) 11 3.53 (1.27, 9.81) 6 2.70 (1.90, 3.85) 7 2.23 (1.06, 4.70) 4
Region
 Europe 5.44 (3.16, 9.37) 13 7.59 (3.24, 17.77) 10 4.82 (2.46, 9.44) 9 2.37 (1.34,4.19) 4
 USA/Canada 2.15 (1.01, 4.56) 6 0.77 (0.30, 1.95) 2 3.36 (1.68, 6.72) 5 0
 South Africa/Egypt 22.27 (6.35, 81.32) 2 22.27 (6.35, 81.32) 2 0 0
 Australia/South Pacific 2.64 (0.92, 7.57) 3 2.55 (1.09, 4.64) 2 2.08 (0.80, 5.42) 1 5.53 (0.15,205.3) 2
Study Type
 Cohort 12.62 (6.30, 25.26) 5 11.59 (4.37, 30.79) 4 8.17 (2.77, 24.13) 3 0
 Case-Control 2.12 (1.76, 2.56) 19 3.37 (2.08, 5.46) 12 2.88 (2.05, 4.03) 12 2.41 (1.30, 4.48) 6
  1. †: p-value< 0.05 for statistically significant SRRE if 95%CI does not include 1