Table 2.
Serum uric acid lab results
| Patient Characteristics | No CKD (N = 2,393) |
Stage 2 CKD (N = 1,032) |
Stage 3 CKD (N = 357) |
Stage 4 CKD (N = 147) |
p-value | |
|---|---|---|---|---|---|---|
| Number of subjects with a lab result | N | 1,542 | 645 | 220 | 73 | |
| % | 64.44 | 62.5 | 61.62 | 49.66 | 0.0033 | |
| Value of last sUA test during follow-up period: all subjects | mean | 6.86 | 7.09 | 7.56 | 7.72 | < .0001 |
| SD | 1.9 | 1.9 | 2.1 | 2.11 | ||
| Achieved goal of < 6 mg/dL based on last test during follow-up: all subjects | n | 526 | 191 | 50 | 16 | |
| % | 34.11 | 29.61 | 22.73 | 21.92 | 0.0008 | |
| Value of last sUA test during follow-up period: allopurinol users | mean | 6.75 | 6.93 | 7.46 | 7.56 | < .0001 |
| SD | 1.91 | 1.85 | 2.11 | 2.05 | ||
| Achieved goal of < 6 mg/dL based on last test during follow-up: allopurinol users | n | 448 | 172 | 49 | 16 | |
| % | 25.64 | 23.31 | 20.16 | 18.82 | 0.1247 | |
SD = standard deviation.