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Comparison of kidney damage between the two groups.
| Group | Cases (n) | Before treatment | After 4 weeks of treatment | After 3 months of treatment | |||
|---|---|---|---|---|---|---|---|
| Kidney damage | No kidney damage | Kidney damage | No kidney damage | Kidney damage | No kidney damage | ||
| Control group | 32 | 3 (9.37%) | 29 (90.62%) | 8 (25%) | 24 (75%) | 13 (40.62%) | 19 (59.38%) |
| Observation group | 32 | 2 (6.25%) | 30 (93.75%) | 6 (18.75%) | 26 (81.25%) | 3 (10%)a | 27 (90%) |
aCompared with the control group, P < 0.05.
