Table 1 Studies of the low to medium arsenic water concentration exposure and lung cancer risk
Country/region | Arsenic concentration (μg/L) | Evaluation index | Outcome | Conclusion |
|---|---|---|---|---|
North-west China [38] | 7.61–9.25 | Lifetime lung cancer risks | 3.54 × 10−5 | Related |
Central Italy [6] | 19.3 (mean) | HR | Lung cancer (HR = 2.6 male; HR = 2.09 female) | Related |
The USA [37] | 6.91–13.32 > 13.32 | RR | 0.94 (0.51–1.72) 1.82 (1.00–3.31) | Related |
Northern Chile [39] | < 11, 11–90, 91-335 | OR (95% CI) | 1.00, 1.27 (0.81–1.98), 2.00 (1.24–3.24) | Related |
Northern Chile [7] | 10-29, 30–49, 50–199 | OR (95% CI) | 1.60 (0.50–5.30), 3.90 (1.20–12.30), 5.20 (2.30–11.70) | Related |
The USA [12] | 3-59 | SMR | 0.9 | Unrelated |
The USA [40] | 10, 11–84, > 85 | RR (95% CI) | 1.00,0.75 (0.45–1.25), 0.84 (0.41–1.72) | Unrelated |
North-eastern Taiwan [41] | 10–49.9, 50–99.9 | RR (95% CI) | 1.10 (0.74–1.63) 0.99 (0.59–1.68) | Unrelated |
Bangladesh [42] | 0–10, 11–50, 51–100 | RR (95% CI) | 1.00, 0.90 (0.62–1.33), 1.10 (0.62–1.96) | Unrelated |