Table 1. Stroke Burden in Chinese Adults Aged 40 Years or Over in 2020a.
| Characteristics | Participants, No. | Prevalence | Incidence per 100 000 person-years | Mortality per 100 000 person-years | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Events, No. | Rate, % (95% CI) | P value | Events, No. | Rate, % (95% CI) | P value | Events, No. | Rate, % (95% CI) | P value | ||
| Overall | 676 394 | 22 974 | 2.6 (2.6-2.6) | 4449 | 505.3 (488.5-522) | 3141 | 343.4 (329.6-357.2) | |||
| Age group, y | ||||||||||
| 40-49 | 143 463 | 701 | 0.5 (0.5-0.5) | <.001 | 176 | 138.7 (119.5-158.0) | <.001 | 32 | 31.3 (22.1-40.4) | <.001 |
| 50-59 | 206 514 | 4138 | 2.2 (2.1-2.3) | 686 | 344.8 (319.6-369.9) | 130 | 70.0 (58.6-81.3) | |||
| 60-69 | 189 757 | 9041 | 4.8 (4.7-4.9) | 1251 | 666.1 (629.8-702.4) | 392 | 214.8 (194.1-235.5) | |||
| 70-79 | 107 571 | 7317 | 7.1 (7.0-7.3) | 1384 | 1338.1 (1270.5-1405.7) | 772 | 815.3 (762.4-868.2) | |||
| ≥80 | 29 089 | 1777 | 6.0 (5.8-6.3) | 952 | 2749.4 (2575.2-2923.7) | 1815 | 5156.9 (4924.3-5389.5) | |||
| Sex | ||||||||||
| Male | 281 272 | 11 302 | 2.9 (2.9-3.0) | <.001 | 2275 | 568.8 (541.4-596.3) | <.001 | 1636 | 368.5 (346.4-390.6) | <.001 |
| Female | 395 122 | 11 672 | 2.3 (2.2-2.3) | 2174 | 440.9 (420.4-461.4) | 1505 | 318.1 (300.7-335.5) | |||
| Locality | ||||||||||
| Urban | 350 824 | 12 477 | 2.7 (2.6-2.7) | .02 | 2304 | 485.5 (462.8-508.3) | <.001 | 1563 | 309.9 (291.7-328.1) | <.001 |
| Rural | 325 570 | 10 497 | 2.5 (2.5-2.6) | 2145 | 520.8 (496.3-545.2) | 1578 | 369.7 (349.1-390.3) | |||
| Geographical regionsb | ||||||||||
| North | 101 096 | 3747 | 3.2 (3.0-3.3) | <.001 | 667 | 589.4 (542.5-636.3) | <.001 | 553 | 485.1 (442.6-527.7) | <.001 |
| Northeast | 57 672 | 2982 | 3.9 (3.7-4.0) | 522 | 672.7 (606.4-739.0) | 271 | 340.1 (292.9-387.3) | |||
| East | 203 041 | 6470 | 2.4 (2.3-2.4) | 1216 | 399.5 (372.4-426.5) | 873 | 272.3 (249.9-294.6) | |||
| Central | 127 778 | 4707 | 2.8 (2.7-2.9) | 867 | 517.6 (478.7-556.6) | 556 | 278.2 (249.6-306.8) | |||
| South | 51 602 | 1226 | 1.8 (1.7-2.0) | 323 | 522.9 (461.7-584.1) | 243 | 368.8 (317.4-420.2) | |||
| Southwest | 85 713 | 2035 | 2.0 (1.9-2.1) | 582 | 587.1 (536.1-638.1) | 486 | 508.8 (461.3-556.3) | |||
| Northwest | 49 492 | 1807 | 2.6 (2.5-2.7) | 272 | 376.1 (322.6-429.6) | 159 | 216.9 (176.3-257.5) | |||
| Economic levelc | ||||||||||
| Undeveloped | 73 608 | 2222 | 2.2 (2.1-2.3) | <.001 | 505 | 446.5 (398.9-494.0) | <.001 | 496 | 404.5 (359.3-449.7) | <.001 |
| Developing | 129 157 | 4467 | 2.6 (2.5-2.7) | 617 | 335.7 (304.3-367.0) | 374 | 174.6 (152.0-197.2) | |||
| Developed | 473 629 | 16 285 | 2.7 (2.6-2.7) | 3327 | 559.7 (538.7-580.8) | 2271 | 380.1 (362.8-397.5) | |||
a
The results indicate the age-standardized rates and sex-standardized rates of China’s census population in 2010. Median age and 95% CI for participants was 59.0 (42.0-85.0).
b
Seven geographical regions of China included North China: Beijing, Tianjin, Hebei, Shanxi, Inner Mongolia; Northeast China: Liaoning, Jilin, Heilongjiang; East China: Shanghai, Jiangsu, Zhejiang, Anhui, Fujian, Jiangxi, Shandong; South China: Guangdong, Guangxi, Hainan; Central China: Henan, Hubei, Hunan; Southwest China: Chongqing, Sichuan, Guizhou, Yunnan, Tibet; Northwest China: Shaanxi, Gansu, Qinghai, Ningxia, Xinjiang.
c
Please refer to the supplementary materials for the division of economic level of cities.