Table 5.

A retrospective cohort study of tonsillectomy plus steroid pulse (TSP) therapy

	Hotta et al.	Miura et al.
Study design	Retrospective cohort study	Multicenter retrospective study
Patients’ background	Daily proteinuria: mean ± SD: 1.38 ± 1.17 g sCr: 0.96 ± 0.22 mg/dl
CCr (>70 ml/min)	TSP versus steroid: CR rate: 59.7 versus 35.3%; p < 0.01	CR rate: 54.1% CR versus non-CR: Years from diagnosis until TSP therapy: mean ± SD 5.3 ± 5.2 versus 6.9 ± 6.8 (p = 0.02) Daily proteinuria 0.8 ± 0.8 versus 1.5 ± 1.6 (p < 0.0001) sCr 0.87 ± 0.34 versus 0.99 ± 0.40 (p = 0.006)
CCr (<70 ml/min)	Sato et al. Retrospective cohort study TSP versus steroid versus control Daily proteinuria: mean ± SD: 2.2 ± 1.9 versus 1.9 ± 0.9 versus 0.9 ± 0.6 CCr: 45.0 ± 15.1 versus 44.4 ± 14.9 versus 48.6 ± 19.7 Renal survival rate at 8 years: 82.8 versus 51.0 versus 45.1%: p = 0.017 (No significant difference in patients with sCr >2.0 mg/dl)	Not available

sCr serum creatinine, CCr creatinine clearance, CR clinical remission