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Table 2 Risk (ORs) distribution of the different histological types of mesothelioma in construction workers by exposure length, latency period and age at diagnosis

From: Malignant mesothelioma in construction workers: the Apulia regional mesothelioma register, Southern Italy

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
  1. *Lower and Upper 95% Cornefield confidence levels
  2. **Probability of Test Chi square2 for trend