Table 2.
Area distribution of the study population and patients with EMPD from urban China in 2016
| Characteristic | Study population (million) | Patients with EMPD | |||||
|---|---|---|---|---|---|---|---|
| Total | Male | Female | Total | Male | Female | P value | |
| Areaa, No. (%) | |||||||
| East | 171.30 (40.24) | 88.68 (39.97) | 82.67 (40.53) | 29 (34.52) | 17 (32.08) | 12 (38.71) | .38 |
| North | 18.92 (4.44) | 9.63 (4.34) | 9.28 (4.55) | 0 (0) | 0 (0) | 0 (0) | |
| Northeast | 42.87 (10.07) | 21.51 (9.69) | 21.36 (10.47) | 1 (1.19) | 0 (0) | 1 (3.23) | |
| Northwest | 21.60 (5.07) | 11.25 (5.07) | 10.35 (5.07) | 8 (9.52) | 6 (11.32) | 2 (6.45) | |
| Southcentral | 123.60 (29.02) | 66.18 (29.83) | 57.41 (28.15) | 31 (36.90) | 22 (41.51) | 9 (29.03) | |
| Southwest | 47.50 (11.15) | 24.61 (11.09) | 22.89 (11.22) | 15 (17.86) | 8 (15.09) | 7 (22.58) | |
EMPD extramammary Paget's disease
aEast area contains Jiangsu, Zhejiang, Anhui, Jiangxi, and Shandong (five provinces). North area contains Shanxi, Inner Mongolia (two provinces). Northeast contains Liaoning, Jilin, Heilongjiang (three provinces). Northwest contains Shaanxi, Qinghai, Gansu, and Xinjiang (four provinces). Southcentral contains Henan, Hubei, Hunan, Guangdong, Guangxi and Hainan (six provinces). Southwest contains Chongqing, Guizhou and Yunnan (three provinces)