Table 2.
Comparison of preoperative serum oxidative stress level and serum uric acid between the two groups (mean ± SD)
| Groups |
Oxidative stress
|
Serum UA (μmol/L) | ||
|
SOD (kU/L)
|
MDA (nmol/L)
|
GSH (kU/L)
|
||
| Recurrence group (n = 69) | 41.26 ± 7.01 | 5.78 ± 0.92 | 29.40 ± 7.92 | 376.27 ± 82.90 |
| Non-recurrence group (n = 41) | 46.82 ± 6.12 | 4.18 ± 0.82 | 39.44 ± 8.90 | 281.36 ± 84.86 |
| t value | 4.212 | 9.176 | 6.137 | 5.755 |
| P value | < 0.001 | < 0.001 | < 0.001 | < 0.001 |
SOD: Superoxide dismutase; MDA: Malondialdehyde; GSH: Glutathione; UA: Uric acid.