Table 1. The characteristics of study subjects after propensity score matching.
| Variables | Non-gout patients | Gout patients | Total | p-value* | ||
| N | % | N | % | N | ||
| Total | 38450 | 100.00 | 7690 | 100.00 | 46140 | |
| Gender# | 0.996 | |||||
| Male | 31866 | 82.88 | 6373 | 82.87 | 38239 | |
| Female | 6584 | 17.12 | 1317 | 17.13 | 7901 | |
| Age (years) # | 52.27 ± 16.30 | 53.02 ± 15.40 | 52.39 ± 16.16 | 1.000 | ||
| ≤ 34 | 4865 | 12.65 | 973 | 12.65 | 5838 | |
| 35~44 | 6551 | 17.04 | 1310 | 17.04 | 7861 | |
| 45~54 | 9585 | 24.93 | 1917 | 24.93 | 11502 | |
| 55~64 | 7790 | 20.26 | 1558 | 20.26 | 9348 | |
| 65~74 | 6150 | 15.99 | 1230 | 15.99 | 7380 | |
| ≥ 75 | 3509 | 9.13 | 702 | 9.13 | 4211 | |
| Month insurance salary (NTD) # | 1.000 | |||||
| ≤ 17,280 | 6465 | 16.81 | 1293 | 16.81 | 7758 | |
| Dependent | 7865 | 20.46 | 1573 | 20.46 | 9438 | |
| 17,281~22,800 | 11294 | 29.37 | 2258 | 29.36 | 13552 | |
| ≥ 22,801 | 12826 | 33.36 | 2566 | 33.37 | 15392 | |
| Urbanization# | 1.000 | |||||
| Level 1 | 11910 | 30.98 | 2382 | 30.98 | 14292 | |
| Level 2 | 11310 | 29.41 | 2262 | 29.41 | 13572 | |
| Level 3 | 5750 | 14.95 | 1150 | 14.95 | 6900 | |
| Level 4 | 5230 | 13.60 | 1046 | 13.60 | 6276 | |
| Level 5 | 925 | 2.41 | 185 | 2.41 | 1110 | |
| Level 6 | 1789 | 4.65 | 357 | 4.64 | 2146 | |
| Level 7 | 1536 | 3.99 | 308 | 4.01 | 1844 | |
| HTN | < 0.001 | |||||
| No | 32577 | 84.73 | 4186 | 54.43 | 36763 | |
| Yes | 5873 | 15.27 | 3504 | 45.57 | 9377 | |
| HPL | < 0.001 | |||||
| No | 35339 | 91.91 | 4596 | 59.77 | 39935 | |
| Yes | 3111 | 8.09 | 3094 | 40.23 | 6205 | |
| DM | < 0.001 | |||||
| No | 35317 | 91.85 | 6363 | 82.74 | 41680 | |
| Yes | 3133 | 8.15 | 1327 | 17.26 | 4460 | |
| Major illness | 0.001 | |||||
| No | 37396 | 97.26 | 7427 | 96.58 | 44823 | |
| Yes | 1054 | 2.74 | 263 | 3.42 | 1317 |
* Used Chi-square test to exam the difference of characteristics distribution. # Variables for propensity score matching.
DM, diabetes mellitus; HPT, hyperlipidemia; HTN, hypertension.