Mortality and morbidity study of petrochemical employees in a polluted site

Table 2 Standardized Mortality Ratios (SMRs) by selected causes of a priori interest. Reference mortality rates Sicily Region

Cause of death	ICD - 9	Observed^a	Expected	SMRx100	90% CI
All causes	000-999	563	786.29	72	67-77
Malignant neoplasms	140-208	185.49	246.1	75	66-85
Digestive organs, and peritoneum	150-159	60.78	77.7	78	62-96
Stomach	151	9.43	17.5	54	27-90
Colon, rectum, rectosigmoid junction, and anus	153-154	18.86	19.33	98	60-138
Liver primary	155	12.58	9.31	135	74-209
Respiratory and intrathoracic organs	160-165	66.02	90.33	73	59-90
Trachea bronchus and lung	162	56.59	79	72	56-89
Pleura	163	2.1	2.05	102	17-307
Melanoma of skin	172	1.05	2.49	42	2-191
Other skin	173	1.05	0.84	125	6-565
Genitourinary organs	179-189	18.86	22.73	83	51-117
Bladder	188	6.29	9.8	64	27-121
Kidney	189	6.29	4.65	135	56-255
CNS	191-192; 225	7.34	10.4	71	32-126
Lymphatic and hematopoietic tissue	200-208	15.72	22.67	69	41-102
Hodgkin	200, 202	1.05	2.56	41	2-185
Non-Hodgkin	201	4.19	7.26	58	19-126
Myeloma	203	2.1	2.93	72	12-215
Leukemias	204-208	8.38	9.91	85	40-146
Diseases of the circulatory system	390-459	153	248.4	62	54-70
Diseases of the respiratory system	460-519	29.34	41.01	72	51-96
COPD	490-496	23.05	27.39	84	57-119
Asthma	493	3.14	2.4	131	34-323
Diseases of the digestive system	520-579	36.68	59.7	61	45-80
Diseases of the genitourinary system	580-629	3.14	11.36	28	7-68
Nephritis nephrotic syndrome and nephrosis	580-589	2.1	8.34	25	4-75

^aSee methods for unknown causes of death allocation in “Statistical analysis” paragraph.

ISSN: 1476-069X