Table 2 Risk (ORs) distribution of the different histological types of mesothelioma in construction workers by exposure length, latency period and age at diagnosis
Histological type | Variables | Levels (years) | Case | Controls | Odds ratios (LCL–UCL*) | p** |
|---|---|---|---|---|---|---|
Epithelioid | Exposure length | ≤ 6 | 20 | 20 | 1.00 (0.00–0.00) | |
7–32 | 47 | 30 | 1.56 (0.73–3.37) | |||
> 32 | 30 | 12 | 2.50 (1.01–6.17) | 0.04 | ||
Latency period | ≤ 34 | 24 | 13 | 1.00 (0.00–0.00) | ||
35–53 | 45 | 35 | 0.69 (0.31–1.54) | |||
> 53 | 28 | 14 | 1.08 (0.43–2.42) | 0.82 | ||
Age at diagnosis | < 57 | 24 | 15 | 1.00 (0.00–0.00) | ||
57–70 | 46 | 29 | 0.99 (0.45–2.18) | |||
> 70 | 27 | 18 | 0.93 (0.39–2.23) | 0.88 | ||
NOS | Exposure length | ≤ 6 | 4 | 36 | 1.00 (0.00–0.00) | |
7–32 | 4 | 73 | 0.49 (0.12–1.91) | |||
> 32 | 1 | 41 | 0.21 (0.00–1.55) | 0.13 | ||
Latency period | ≤ 34 | 3 | 34 | 1.00 (0.00–0.00) | ||
35–53 | 5 | 75 | 0.75 (0.18–3.02) | |||
> 53 | 1 | 41 | 0.27 (0.00–2.05) | 0.26 | ||
Age at diagnosis | < 57 | 3 | 36 | 1.00 (0.00–0.00) | ||
57–70 | 4 | 71 | 0.68 (0.15–2.03) | |||
> 70 | 2 | 43 | 0.55 (0.10–1.80) | 0.52 | ||
Biphasic | Exposure length | ≤ 6 | 5 | 35 | 1.00 (0.00–0.00) | |
7–32 | 9 | 68 | 0.92 (0.30–2.83) | |||
> 32 | 4 | 38 | 0.73 (0.19–2.76) | 0.67 | ||
Latency period | ≤ 34 | 4 | 33 | 1.00 (0.00–0.00) | ||
35–53 | 9 | 71 | 1.04 (0.31–3.43) | |||
> 53 | 5 | 37 | 1.11 (0.29–4.17) | 0.87 | ||
Age at diagnosis | < 57 | 4 | 35 | 1.00 (0.00–0.00) | ||
57–70 | 9 | 66 | 1.19 (0.36–3.91) | |||
> 70 | 5 | 40 | 1.09 (0.29–4.07) | 0.91 | ||
Fibrous | Exposure length | ≤ 6 | 3 | 37 | 1.00 (0.00–0.00) | |
7–32 | 5 | 72 | 0.85 (0.21–3.42) | |||
> 32 | 2 | 40 | 0.61 (0.11–3.28) | 0.60 | ||
Latency period | ≤ 34 | 2 | 35 | 1.00 (0.00–0.00) | ||
35–53 | 6 | 74 | 1.41 (0.30–2.20) | |||
> 53 | 2 | 40 | 0.87 (0.14–1.80) | 0.88 | ||
Age at diagnosis | < 57 | 1 | 38 | 1.00 (0.00–0.00) | ||
57–70 | 5 | 70 | 2.71 (0.39–4.45) | |||
> 70 | 4 | 41 | 3.70 (0.52–5.45) | 0.23 |