Table 1.

Distribution of MM cases (overall, occupational exposed and in the construction sector) by gender, age classes, incidence period, anatomical site, diagnostic certainty, histopathological characteristics, and modality of exposure. Italy. 1993–2018.

		All with Exposure Evaluation	%	Occupationally Exposed	%	Construction Workers	%
Gender	Men	18,256	73.4	14,959	87.0	3554	99.4
	Women	6608	26.6	2232	13.0	20	0.6
Age-classes	≤44	389	1.6	159	0.9	41	1.1
	45–64	6295	25.3	4404	25.6	936	26.2
	65–84	16,575	66.7	11,666	67.9	2446	68.4
	85+	1605	6.5	962	5.6	151	4.2
Incidence period	1993–1998	2010	8.1	1420	8.3	224	6.3
	1999–2003	4829	19.4	3348	19.5	651	18.2
	2004–2008	6034	24.3	4235	24.6	847	23.7
	2009–2013	6487	26.1	4428	25.8	952	26.6
	2014–2018	5504	22.1	3760	21.9	900	25.2
Anatomical site	Pleura	23,295	93.7	16,264	94.6	3413	95.5
	Peritoneum	1443	5.8	849	4.9	138	3.9
	Pericardium	49	0.2	28	0.2	8	0.2
	Tunica vaginalis testis	77	0.3	50	0.3	15	0.4
Diagnostic certainty	Certain	20,926	84.2	14,671	85.3	3116	87.2
	Probable	2050	8.2	1359	7.9	264	7.4
	Possible	1888	7.6	1161	6.8	193	5.4
Histopathological characteristics (cases with histologically confirmed diagnosis only)	Epithelioid	14,489	69.2	9996	68.1	2101	67.4
	Biphasic	2683	12.8	1968	13.4	397	12.7
	Sarcomatoid	1794	8.6	1358	9.3	303	9.7
	MM (NOS *)	1960	9.4	1349	9.2	315	10.1
Exposure modalities	Occupational	17,191	69.1
	Familial	1278	5.1
	Environmental	1067	4.3
	Leisure-related	373	1.5
	Unlikely	4955	19.9
Total		24,864		17,191		3574

* NOS, not otherwise specified.