Table 2 Crude and adjusted odds ratios of case and control urine samples at the hospital admission timepoint* (urinary creatinine in adjusted model)
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 | ||
| Â | No. | % | No. | % | Â | Â | Â | Â |
 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 | 1.75 | 0.90, 3.40 |
 17.0–50.9 | 43 | 28 % | 69 | 23 % | 2.30 | 1.27, 4.19 | 2.11 | 1.01, 4.34 |
 Greater or equal to 51.0 | 50 | 33 % | 65 | 22 % | 2.84 | 1.58, 5.13 | 2.04 | 0.92, 4.51 |
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 | ||
| Â | No. | % | No. | % | Â | Â | Â | Â |
 0–5.9 | 17 | 13 % | 85 | 29 % | 1.00 | Reference | 1.00 | Reference |
 6.0–16.9 | 35 | 26 % | 77 | 26 % | 2.73 | 1.18, 4.38 | 2.12 | 1.04, 4.32 |
 17.0–50.9 | 38 | 28 % | 69 | 23 % | 2.75 | 1.43, 5.30 | 2.35 | 1.07, 5.17 |
 Greater or equal to 51.0 | 45 | 33 % | 65 | 22 % | 3.46 | 1.82, 6.60 | 2.36 | 1.02, 5.42 |