表 2. Sex and age composition of new HFMD cases in Chengdu in 2012–2020.
2012–2020年成都市手足口病发病患者性别和年龄构成
| Item | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | |
| Age/yr., case (%) | ||||||||||
| 0- | 1755 (7.7) | 1938 (9.3) | 2862 (7.5) | 2482 (9.6) | 3386 (8.4) | 2133 (8.4) | 7243 (11.7) | 2358 (6.7) | 1941 (8.8) | |
| 1- | 6705 (29.5) | 6924 (33.2) | 11611 (30.5) | 8168 (31.5) | 12458 (30.8) | 7872 (31.1) | 24139 (39.1) | 9386 (26.8) | 7874 (35.6) | |
| 2- | 6588 (29.0) | 5364 (25.7) | 10385 (27.3) | 6553 (25.3) | 9163 (22.7) | 5679 (22.4) | 12980 (21.0) | 7938 (22.7) | 4508 (20.4) | |
| 3- | 4597 (20.2) | 3984 (19.1) | 7823 (20.6) | 5334 (20.6) | 8636 (21.4) | 5234 (20.7) | 9107 (14.7) | 7005 (20.0) | 4103 (18.6) | |
| 4- | 1760 (7.7) | 1455 (7.0) | 3005 (7.9) | 1840 (7.1) | 3775 (9.3) | 2352 (9.3) | 3891 (6.3) | 3697 (10.6) | 1906 (8.6) | |
| 5- | 1100 (4.8) | 922 (4.4) | 1933 (5.1) | 1246 (4.8) | 2518 (6.2) | 1743 (6.9) | 3352 (5.4) | 3875 (11.1) | 1322 (6.0) | |
| 9- | 145 (0.6) | 149 (0.7) | 246 (0.6) | 139 (0.5) | 258 (0.6) | 179 (0.7) | 515 (0.8) | 415 (1.2) | 217 (1.0) | |
| 14- | 89 (0.4) | 97 (0.5) | 175 (0.5) | 128 (0.5) | 217 (0.5) | 128 (0.5) | 583 (0.9) | 285 (0.8) | 241 (1.1) | |
| Sex/case (%) | ||||||||||
| Male | 13801 (60.7) | 12407 (59.6) | 22102 (58.1) | 15086 (58.3) | 23544 (58.3) | 14595 (57.6) | 35777 (57.9) | 20008 (57.2) | 12300 (55.6) | |
| Female | 8938 (39.3) | 8426 (40.4) | 15938 (41.9) | 10804 (41.7) | 16867 (41.7) | 10725 (42.4) | 26033 (42.1) | 14951 (42.8) | 9812 (44.4) | |
| Male-to-female ratio | 1.5∶1 | 1.5∶1 | 1.4∶1 | 1.4∶1 | 1.4∶1 | 1.4∶1 | 1.4∶1 | 1.3∶1 | 1.3∶1 |