Table 1.
Baseline characteristics in gout patients and healthy controls
| 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 |
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
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
P numbers of entries with significance are shown in italics
aMean ± SD. bNumber (percentage) .CMedian (IQR)