Table 1.
Characteristics of the populations examined in studies reporting the prevalence of acne in Mainland China
| Name | Region | Year | Age range | Sample size | Prevalence (%) | ||
| Male % (n) | Female % (n) | Total (%) | |||||
| Zhang Feng27 | Dong guan | 2013 | Undergraduate | 669 | 40.37 (379) | 34.48 (290) | 37.82(253) |
| Liu Lijuan35 | Shi jiazhuang | 2014 | Undergraduate | 742 | 42.11 (418) | 36.11 (324) | 39.49(293) |
| Liu Qing36 | Zi bo | 2013 | 12–49 | 1455 | 9.4 (504) | 11.5 (951) | 8.32(121) |
| Li Shengjie34 | Tai an | 2010 | 17–24 | 1416 | 39.85 (532) | 46.61 (884) | 44.07(624) |
| Zhang Zhiyong40 | Han dan | 2010 | Undergraduate | 1582 | 59.71 (834) | 50.00 (748) | 55.12(872) |
| Cai Luanduan25 | Guang dong | 2010 | 9–18 | 2015 | 49.90 (986) | 59.86 (1029) | 54.99(1108) |
| Zhang Jian20 | Yi chun | 2011 | 18–26 | 448 | 45.16 (217) | 32.03 (231) | 38.39(172) |
| Wang Renli41 | Si chuan | 2008–2009 | All | 10,503 | 19.3 (4319) | 16.9 (6184) | 18.1(1901) |
| Pei Guangde37 | He nan | 2008 | All | 1547 | 8.80 (742) | 7.86 (805) | 8.39(129) |
| Chen Ying21 | Guang zhou | 2008 | Undergraduate | 2252 | 34.7 (1253) | 38.4 (999) | 36.4(819) |
| Zhang Hong39 | Jiang men | 2006–2008 | 17–18 | 12 450 | 55.9 (7134) | 46.02 (5136) | 51.83(6453) |
| Deng Bin31 | Hai nan | 2005 | 16–23 | 3500 | 34.8 (1990) | 32.4 (1510) | 33.8(1183) |
| Cui Jianping30 | Xing tai | 2007 | 10–18 | 2891 | 43.14 (1370) | 35.44 (1521) | 39.1(1130) |
| Li Min 22 | Fu jian | 2007 | 15–23 | 1484 | 69.5 (836) | 63.6 (648) | 66.9(992) |
| Feng Jieying24 | Guang zhou | 2004–2005 | 11–19 | 1561 | 51.95 (743) | 60.76 (818) | 56.57(883) |
| Gao Aili32 | Guang zhou | 2004 | 12–20 | 2552 | 34.2 (1151) | 31.6 (1305) | 32.8(837) |
| Wu Tieqiang26 | Zhu hai | 2006 | 10–18 | 3200 | 54.9 (1790) | 51.6 (1410) | 53.5(17182) |
| Sun Zhenxiu23 | Nan jing | 2005 | 16–23 | 2100 | 37.91 (1000) | 22 (1100) | 30.33(637) |
| Liu Zhaorui28 | Bei jing | 2003 | 16–17 | 4933 | 67.1 (2364) | 57.3 (2569) | 62.0(3058) |
| Zhang Aihua38 | Tai an, He ze | 1996 | 14–23 | 1510 | 38.24 (829) | 23.06 (581) | 20.99(317) |
| Fu Rui29 | Ji ning | 2012 | 11–17 | 2560 | 45.40 (1343) | 47.80 (1177) | 46.51(1190) |
| Li Bing33 | Shan xi | 2012 | 12–17 | 741 | 55.8 (335) | 49.2 (406) | 52.2(387) |
| Shen Yiwei 10 | China | 2012 | All | 17 345 | 10.4 (7858) | 6.1 (9487) | 8.1(1405) |
| Law MP11 | Hong Kong | 2010 | Undergraduate | 389 | N/A | N/A | 85.1(331) |
| Wu TQ12 | Guang dong | 2007 | 10–18 | 3163 | 51.3 (1785) | 58.6 (1378) | 53.5(1692) |
(n), the number of participants, N/A, not available.