Prevalence of stroke in urban and rural areas by age, sex and region in China from 2003 to 2018
| 2003 | 2008 | 2013 | 2018 | P value for trend | |||||
| No of Participants | Rates/100 000 (95% CI) | No of Participants | Rates/100 000 (95% CI) | No of Participants | Rates/100 000 (95% CI) | No of Participants | Rates/100 000 (95% CI) | ||
| Urban areas | |||||||||
| Overall | 42 796 | 1261 (1168 to 1354) | 40 975 | 1159 (1073 to 1245) | 115 114 | 1052 (1005 to 1100) | 113 519 | 1365 (1312 to 1417) | 0.99 |
| Age | |||||||||
| <30 years | 8730 | 33 (0 to 70) | 7727 | 27 (0 to 65) | 20 147 | 43 (15 to 71) | 14 284 | 21 (0 to 45) | 0.80 |
| 30–39 years | 8691 | 100 (35 to 166) | 6957 | 71 (9 to 134) | 17 729 | 94 (49 to 139) | 17 748 | 64 (26 to 101) | 0.98 |
| 40–49 years | 9127 | 448 (311 to 584) | 7917 | 521 (362 to 680) | 23 263 | 433 (348 to 518) | 20 870 | 601 (496 to 707) | <0.001 |
| 50–59 years | 6598 | 1699 (1387 to 2011) | 8171 | 1421 (1164 to 1677) | 21 944 | 1519 (1356 to 1682) | 22 943 | 2085 (1899 to 2271) | <0.001 |
| 60–69 years | 5177 | 4150 (3602 to 4698) | 4956 | 4248 (3683 to 4813) | 18 168 | 3318 (3057 to 3579) | 22 151 | 4573 (4296 to 4849) | 0.32 |
| ≥70 years | 4471 | 7485 (6715 to 8255) | 5247 | 6407 (5744 to 7069) | 13 863 | 6063 (5666 to 6460) | 15 523 | 7316 (6905 to 7726) | 0.90 |
| Sex | |||||||||
| Female | 22 058 | 1138 (1013 to 1264) | 21 321 | 1087 (971 to 1203) | 59 816 | 1012 (946 to 1078) | 59 113 | 1209 (1141 to 1276) | 0.28 |
| Male | 20 735 | 1380 (1244 to 1517) | 19 645 | 1229 (1103 to 1356) | 55 297 | 1092 (1022 to 1161) | 54 406 | 1520 (1440 to 1600) | 0.12 |
| Region | |||||||||
| Eastern | 17 666 | 1256 (1116 to 1396) | 16 804 | 1170 (1038 to 1302) | 39 468 | 833 (762 to 903) | 45 155 | 1161 (1086 to 1236) | 0.99 |
| Central | 13 290 | 1626 (1433 to 1819) | 12 765 | 1612 (1427 to 1797) | 38 467 | 1243 (1152 to 1334) | 34 167 | 1714 (1606 to 1822) | 0.73 |
| Western | 11 837 | 818 (668 to 968) | 11 406 | 596 (480 to 713) | 37 179 | 1103 (1015 to 1190) | 34 197 | 1261 (1170 to 1352) | <0.001 |
| Rural areas | |||||||||
| Overall | 111 281 | 669 (620 to 718) | 105 256 | 1052 (995 to 1109) | 114 953 | 1135 (1084 to 1187) | 98 799 | 1898 (1833 to 1964) | <0.001 |
| Age | |||||||||
| <30 years | 29 694 | 37 (15 to 59) | 24 641 | 37 (13 to 60) | 21 165 | 33 (9 to 58) | 12 614 | 40 (5 to 75) | 0.44 |
| 30–39 years | 25 676 | 116 (74 to 157) | 19 492 | 163 (107 to 220) | 15 444 | 155 (93 to 216) | 11 782 | 169 (95 to 143) | 0.005 |
| 40–49 years | 21 824 | 417 (331 to 502) | 21 578 | 541 (443 to 639) | 26 359 | 665 (567 to 764) | 19 421 | 987 (848 to 1125) | <0.001 |
| 50–59 years | 17 479 | 1052 (901 to 1203) | 20 189 | 1802 (1619 to 1986) | 22 959 | 1800 (1628 to 1972) | 22 998 | 2813 (2599 to 3027) | <0.001 |
| 60–69 years | 9519 | 2136 (1847 to 2426) | 11 061 | 3438 (3098 to 3777) | 17 784 | 3695 (3417 to 3972) | 19 642 | 6725 (6376 to 7077) | <0.001 |
| ≥70 years | 7089 | 2862 (2474 to 3250) | 8295 | 4608 (4157 to 5058) | 11 242 | 5359 (4943 to 5775) | 12 342 | 9164 (8662 to 9681) | <0.001 |
| Sex | |||||||||
| Male | 56 057 | 706 (636 to 776) | 52 310 | 1083 (1002 to 1164) | 56 938 | 1117 (1045 to 1188) | 48 770 | 1872 (1779 to 1964) | <0.001 |
| Female | 55 224 | 631 (563 to 699) | 52 915 | 1020 (940 to 1101) | 58 014 | 1155 (1081 to 1229) | 50 029 | 1929 (1835 to 2023) | <0.001 |
| Region | |||||||||
| Eastern | 34 726 | 683 (600 to 766) | 33 604 | 995 (901 to 1089) | 38 636 | 1053 (969 to 1136) | 28 533 | 1533 (1422 to 1643) | <0.001 |
| Central | 29 859 | 819 (712 to 925) | 28 461 | 1399 (1272 to 1526) | 36 386 | 1344 (1246 to 1442) | 33 523 | 2486 (2360 to 2611) | <0.001 |
| Western | 46 696 | 547 (476 to 618) | 43 191 | 845 (762 to 927) | 39 931 | 1009 (922 to 1095) | 36 743 | 1605 (1502 to 1707) | <0.001 |