From: Arsenic exposure is associated with pediatric pneumonia in rural Bangladesh: a case control study
Hospital Admission Time point | ||||||||
---|---|---|---|---|---|---|---|---|
All pneumonia cases (severe and very severe) | ||||||||
Total urinary arsenic (μg/L) | Case urine samples (N = 153) | Control urine samples (N = 296) | Crude OR | 95 % CI | Adjusted OR | 95 % CI | ||
 | No. | % | No. | % |  |  |  |  |
 0–5.9 | 23 | 15 % | 85 | 29 % | 1.00 | Reference | 1.00 | Reference |
 6.0–16.9 | 37 | 24 % | 77 | 26 % | 1.78 | 0.97, 3.25 | 2.38 | 1.25, 4.53 |
 17.0–50.9 | 43 | 28 % | 69 | 23 % | 2.30 | 1.27, 4.19 | 3.77 | 1.88, 7.56 |
 Greater or equal to 51.0 | 50 | 33 % | 65 | 22 % | 2.84 | 1.58, 5.13 | 4.72 | 2.30, 9.67 |
Only severe pneumonia cases (sensitivity analysis) | ||||||||
Total urinary arsenic (μg/L) | Case urine samples (N = 153) | Control urine samples (N = 296) | Crude OR | 95 % CI | Adjusted OR | 95 % CI | ||
 | No. | % | No. | % |  |  |  |  |
 0–5.9 | 17 | 13 % | 85 | 29 % | 1.00 | Reference | 1.00 | Reference |
 6.0–16.9 | 35 | 26 % | 77 | 26 % | 2.27 | 1.18, 4.38 | 2.87 | 1.44, 5.72 |
 17.0–50.9 | 38 | 28 % | 69 | 23 % | 2.75 | 1.43, 5.30 | 4.10 | 1.95, 8.63 |
 Greater or equal to 51.0 | 45 | 33 % | 65 | 22 % | 3.46 | 1.82, 6.60 | 5.28 | 2.47, 11.26 |