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Table 1 Demographic, social, and clinical characteristics of the 507 patients

From: Identifying the Zheng in psoriatic patients based on latent class analysis of traditional Chinese medicine symptoms and signs

Variable Number (n = 507) Percentage
Sex   
 Male 294 58.0
 Ethnicity   
  Han 462 91.1
Others 45 8.9
Age (mean ± standard deviation) 37.0 ± 15.8
Type of psoriasis   
 Vulgaris 461 90.9
 Erythrodermic 17 3.4
 Pustular 16 3.0
 Arthritic 13 2.6
Marital status   
 Single 179 35.3
 Ever-married 328 64.7
Associated diseases   
 Hypertension 41 8.1
 Coronary heart disease 8 1.6
 Diabeties 17 3.4
 Hepatitis 9 1.8
 Gastrointestinal diseases 45 8.9
 Other diseases 113 22.3
 No disease 274 53.9
Psoriasis duration (years), Median (IQR) 5.6 (2.0, 11.9)
 Progression phase 441 87.0
 Stable phase 49 9.7
 Remission phase 17 3.4
Smoking 162 32.0
Drinking 133 26.2
Season of exacerbation   
 Spring 109 21.5
 Summer 97 19.1
 Autumn 115 22.7
 Winter 186 36.7