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

BMC Research Notes

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

ISSN: 1756-0500