Automated mortality coding for improved health policy in the Philippines

Table 1 Annual number of deaths, 20 leading causes of death and the comparability ratio (CR) with confidence interval, manually and Iris-coded deaths, 2014–2017, the Philippines

Underlying cause of death (3-digit ICD-10 level)	Annual number of deaths					CR (2017)	CR 95% confidence interval
Underlying cause of death (3-digit ICD-10 level)	2014	2015	2016	2017 (manual)	2017 (Iris)	CR (2017)	Lower	Upper
I21 Myocardial infarction	44,503	50,656	56,249	56,952	58,154	0.98	0.97	0.99
J18 Pneumonia	52,276	49,462	57,720	50,710	47,590	1.07	1.06	1.08
I64 Unspecified stroke	21,090	22,549	21,115	18,355	19,848	0.92	0.91	0.94
A16 Tuberculosis	22,506	24,473	24,303	19,769	19,162	1.03	1.02	1.05
I61 Hemorrhagic stroke	14,658	17,921	17,687	17,352	16,070	1.08	1.06	1.10
I11 Hypertensive heart diseases	21,534	23,818	23,663	17,431	14,861	1.17	1.15	1.19
E14 Unspecified diabetes	14,228	15,735	15,057	13,318	13,234	1.01	0.99	1.02
E11 Type 2 diabetes	15,422	17,713	17,402	16,073	13,022	1.23	1.21	1.26
J44 COPD	12,758	12,588	13,816	12,187	12,439	0.98	0.96	1.00
I25 Ischemic heart disease	15,624	14,626	14,711	12,103	10,747	1.13	1.11	1.15
R99 Unknown	8059	7483	8104	7207	10,697	0.67	0.66	0.69
V89 Unspecified transport accidents	8203	9315	10,241	9607	9278	1.04	1.01	1.06
X95 Homicide gun type unspecified	330	19	148	4572	8023	0.57	0.56	0.58
N18 Chronic Kidney failure	7552	7101	7160	7966	7946	1.00	0.98	1.02
C34 Lung cancer	8173	9027	9046	8203	7517	1.09	1.07	1.12
C50 Breast cancer	7243	7845	8436	8153	7313	1.11	1.09	1.14
I67 Cerebrovascular disease	7342	6421	6604	5988	7044	0.85	0.83	0.87
I46 Cardiac arrest	11,171	11,447	9927	8246	6458	1.28	1.25	1.31
I50 Heart failure	9122	8620	7962	6919	6185	1.12	1.09	1.15
A41 Sepsis	6606	6996	7019	7378	5496	1.34	1.31	1.38
Total deaths (20 leading causes of death)	308,400	323,815	336,370	308,489	301,084

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