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Table 1 Baseline characteristics in gout patients and healthy controls

From: Associated factors with functional disability and health-related quality of life in Chinese patients with gout: a case-control study

  Gout (n = 226) Controls (n = 232) p
Gender, maleb 214 (94.7) 218 (94.0) 0.738
Age (years)a 53.18 ± 15.77 51.21 ± 13.48 0.153
BMI (kg/m2)a 25.40(23.28–27.74) 23.88(22.45–25.95) <0.001
WHRC 0.95(0.91–0.98) 0.94(0.89–0.96) <0.001
Place of residenceb    <0.001
 City 127 (56.2) 87 (37.5)  
 Country 99 (43.8) 145 (62.5)  
Marital statusb    0.290
 Married 209 (92.5) 208 (89.7)  
 Single 17 (7.5) 24 (10.3)  
Educationb    0.112
  ≤ 9 years 104 (46.0) 124 (53.4)  
 >9 years 122 (54.0) 108 (46.6)  
Employment statusb    0.532
 Employed 177 (78.3) 176 (75.9)  
 Unemployed 49 (21.7) 56 (24.1)  
Income/year (RMB)b    <0.001
 <15,000 83 (36.7) 61 (26.3)  
 15,000–33,000 75 (33.2) 57 (24.6)  
 >33,000 68 (30.1) 114 (49.1)  
Medical insurance, yesb 216 (95.6) 170 (73.3) <0.001
Disability (HAQ-DI ≥ 0.5 score)b 48 (21.2)   
Depression (PHQ-9 ≥ 10 score)b 34 (15.0) 14 (6.0) 0.001
Anxiety (GAD-7 ≥ 10 score)b 12 (5.3) 10 (4.3) 0.358
SF-36 components score    
 PCSC 43.88 (31.50–62.75) 88 .10 (80.88–93.00) <0.001
 MCSC 62.23 (48.27–83.31) 83.44 (74.31–88.50) <0.001
  1. SD: standard deviation; IQR: interquartile range; BMI: body mass index; WHR: waist-hip ratio; VAS: visual analog scale; HAQ-DI: health assessment questionnaire-disability index; sUA: serum uric acid; PHQ-9: patient health questionnaire; GAD-7: generalized anxiety disorder; SF-36: the Short Form 36 Health Survey; PCS: physical components summary; MCS: mental components summary
  2. p values were obtained with the two-tailed t test, chi-square test and/or Mann-Whitney U test based on the type and distribution of variables
  3. P numbers of entries with significance are shown in italics
  4. aMean ± SD. bNumber (percentage) .CMedian (IQR)