Causes of death in Tonga: quality of certification and implications for statistics

Table 4 Underlying causes of death in adults aged 15-64 years, Tonga, 2008

Cause of death*		Males		Females
		Reported deaths	Proportional mortality (%)	Reported deaths	Proportional mortality (%)
1-064	Diseases of the circulatory system	28	28	16	23
1-067	Ischemic heart diseases	18	18	4	6
1-069	Cerebrovascular diseases	1	1	4	6
1-065	Acute rheumatic fever and chronic rheumatic heart diseases	1	1	1	1
1-051	Endocrine, nutritional, and metabolic diseases (all diabetes (1-052))	19	19	13	18
1-095	External causes of morbidity and mortality	18	18	3	4
1-096	Transport accidents	6	6	0	0
1-101	Intentional self-harm	4	4	0	0
1-026	Neoplasms	15	15	20	28
1-036	Malignant neoplasm of breast	0		3	4
1-037	Malignant neoplasm of cervix uteri	0		2	3
1-039	Malignant neoplasm of ovary	0		2	3
1-031	Malignant neoplasm of liver and intrahepatic bile ducts	3	3	1	1
1-034	Malignant neoplasm of trachea, bronchus, and lung	3	3		0
1-029	Malignant neoplasm of stomach	2	2	2	3
1-030	Malignant neoplasm of colon, rectum, and anus	2	2	2	3
1-001	Certain infectious and parasitic diseases	10	10	3	4
1-019	Viral hepatitis	6	6	2	3
1-072	Diseases of the respiratory system	4	4	3	4
1-078	Diseases of the digestive system	3	3	3	4
1-084	Diseases of the genitourinary system	2	2	3	4
1-094	Symptoms, signs, and abnormal clinical and laboratory findings, not elsewhere classified	1	1	1	1
1-058	Diseases of the nervous system	0	0	3	4
1-082	Diseases of the skin and subcutaneous tissue	0	0	2	3
1-087	Pregnancy, childbirth, and the puerperium	0		1	1
	Other categories	1	1	0	0
TOTAL		101	100	71	100

* Tabulated according to ICD list 1 [10]. The table shows cause categories by ICD chapter in bold, with important individual cause categories from ICD list 1 shown in small print under their assigned ICD chapter

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