Analysis of all-cause mortality data of residents in Shannan City, Tibet, 2021

Abstract

Abstract:

Objective:To analyze the death characteristics of residents in Shannan City, Tibet autonomous region in 2021 for understanding the causes of death and the sequence of causes of death, and provide a basis for formulating re-levant prevention and control strategies.Methods:Indicators of mortality rate, standardized mortality rate, years of life lost (YLL), probability of premature death, and life expectancy to reflect causes of death were analyzed in Shannan City in 2021.Results:In 2021, the total mortality rate of residents in Shannan City was 500.3/100 000 (standardized rate 1060.9/100,000); the male mortality rate was 539.2/100 000 (standardized rate 1 282.5/100, 000); the female mortality rate was 462.5/100 000 (standardized rate 889.5/100 000). The mortality rate of males was higher than that of females. The total mortality YLL was 35 998.8, among which there was 20 827.0 for males and 15171.8 for females. The top five causes of death among residents were cerebrovascular disease, heart disease, malignant tumor, respiratory system disease, and infectious disease, accounting for 71.7% of the reported deaths. Chronic non-communicable diseases accounted for 68.4% of all deaths. The probability of premature death from the four main chronic diseases was 17.5%, among which there was 21.9% for men and 13.5% for women. The life expectancy of residents in Shannan was 75.3 years, 72.9 years for men and 77.7 years for women.Conclusions:The probability of premature death among Shannan city residents for four major categories of chronic diseases is higher than the national level, and the four major categories of chronic diseases are still the main causes of death in Shannan City residents. Reducing premature death and YLL from chronic diseases is the main goal of preventing and controlling chronic diseases.

Key words:Mortality rate,Sequence of causes of death,Probability of premature death,Years of life lost

CLC Number:

R195
R445.4

ZHAN Dui, NIMA Zhuoma, DOU Ji, PINGCUO Zhuoma, QI Jinlei. Analysis of all-cause mortality data of residents in Shannan City, Tibet, 2021[J]. Journal of Diagnostics Concepts & Practice, 2023, 22(06): 562-566.

Figures/Tables4

Sex	Mortality rate (/100 000)	Standardized mortality rate (/100 000)	Years of life lost	Annual life loss (/100 000)	Annualized life loss (/100 000)
Male	389.4	1 282.5	20 827.0	15 639.0	28 987.8
Female	334.0	889.5	15 171.8	11 085.7	18 458.6
Total	361.3	1 060.9	35 998.8	13 331.3	23 239.6

Table 1

Table 2

Age group mortality rate in Shannan City in 2021

Age group (year）	Male			Female			Total
Age group (year）	Deaths (n)	Population （n）	Mortality （/100 000）	Deaths (n)	Population （n）	Mortality （/100 000）	Deaths (n)	Population （n）	Mortality （/100 000）
0	2	2 994	66.80	1	3 214	31.11	3	6 208	48.32
1-4	6	12 178	49.27	4	13 238	30.22	10	25 416	39.35
5-9	3	15 820	18.96	3	17 173	17.47	6	32 993	18.19
10-14	2	16 336	12.24	2	17 154	11.66	4	33 490	11.94
15-19	5	14 131	35.38	2	14 538	13.76	7	28 669	24.42
20-24	5	13 543	36.92	5	12 376	40.40	10	25 919	38.58
25-29	14	16 108	86.91	6	14 445	41.54	20	30 553	65.46
30-34	14	21 406	65.40	6	20 388	29.43	20	41 794	47.85
35-39	22	14 756	149.09	6	14 567	41.19	28	29 323	95.49
40-44	25	10 882	229.74	7	10 542	66.40	32	21 424	149.37
45-49	25	11 842	211.11	20	11 833	169.02	45	23 675	190.07
50-54	41	12 172	336.84	29	12 334	235.12	70	24 506	285.64
55-59	66	8 356	789.85	44	9 682	454.45	110	18 038	609.82
60-64	72	4 787	1 504.07	51	5 494	928.29	123	10 281	1 196.38
65-69	89	4 049	2 198.07	50	5 034	993.25	139	9 083	1 530.33
70-74	110	2 465	4 462.47	95	3 372	2 817.32	205	5 837	3 512.08
75-79	84	1 403	5 987.17	86	2 034	4 228.12	170	3 437	4 946.17
80-84	71	730	9 726.03	112	1 208	9 271.52	183	1 938	9 442.72
85+	62	441	14 058.96	104	878	11 845.10	166	1 319	12 585.29

Table 2

Table 3

Sex ratio of the main causes of death of residents in Shannan City in 2021

Name of disease	Male			Female			Total
Name of disease	Mortality rate (/100 000)	Composition (%)	Ranking list	Mortality rate (/100 000)	Composition (%)	Ranking list	Mortality rate (/100 000)	Composition (%)	Ranking list	chi-square value	Pvalue
Cerebrovascular disease	109	27.99	1	90.76	27.17	1	99.76	27.61	1	3.120	1.9
Heart disease	68.33	17.55	2	85.49	25.59	2	77.03	21.32	2	3.570	5.0
Malignancy	44.47	11.42	3	26.38	7.9	4	35.3	9.77	3	8.560	0.003
Disease of respiratory system	29.83	7.66	4	30.08	9	3	29.95	8.29	4	<0.001	<0.001
Infectious disease	22.78	5.29	5	11.08	7.58	5	16.85	6.37	5	7.590	3.3
Digestive system disease	22.23	5.85	6	9.5	3.32	6	15.78	4.66	6	9.610	1.1
Harm	17.9	4.6	7	5.8	1.74	7	11.77	3.26	7	11.610	7.7
Nervous system disease	3.8	0.97	8	4.75	1.42	8	4.28	1.18	8	0.200	1.9
Disease of the genitourinary system	3.8	0.97	9	4.22	1.26	9	4.01	1.11	9	0.040	4.8
Musculoskeletal and connective tissue diseases	3.25	0.84	10	2.64	0.79	10	2.94	0.81	10	0.120	5.4

Table 3

Name of disease	Mortality			Life lost (years)			Life loss rate (/100 000)			Standardized life loss rate (/100 000)
Name of disease	Male	Female	Subtotal	Male	Female	Subtotal	Male	Female	Subtotal	Male	Female	Subtotal
Cerebrovascular diseas	201	172	373	5 143.4	4 050.7	9 194.1	3 862.2	2 959.8	3 404.8	8 105.3	5 042.4	6 373.7
Heart diseas	126	162	288	2 820.5	3 079.5	5 900.0	2 117.9	2 250.1	2 184.9	5 017.1	4 338.6	4 654.7
Malignancy	82	50	132	2 578.7	1 512.2	4 090.9	1 936.4	1 104.9	1 515.0	3 444.9	1 716.5	2 505.3
Disease of respiratory system	55	57	112	1 178.4	1 257.5	2 435.9	884.9	918.8	902.1	2 151.7	1 594.3	1 801.9
Infectious disease	42	21	63	1 508.1	588.5	2 096.5	1 132.4	430.0	776.4	1 745.6	689.9	1 186.4
Digestive system disease	41	18	59	1 393.5	432.5	1 825.9	1 046.4	316.0	676.2	1 696.7	571.9	1 096.9
Harm	33	11	44	1 907.1	526.5	2 433.6	1 432.0	384.7	901.2	1 272.4	394.4	838.8
Nervous system disease	7	9	16	400.3	394.8	795.1	300.6	288.5	294.4	281.3	305.2	297.1
Disease of the genitourinary system	7	8	15	290.2	295.3	585.5	217.9	215.7	216.8	274.1	281.4	281.7
Musculoskeletal and connective tissue diseases	6	5	11	109.5	120.8	230.3	82.2	88.3	85.3	235.9	162.8	187.7

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