Table 1.

Main clinical and laboratory characteristics at baseline in patients with idiopathic MN

CharacteristicnPercentMeanSDMinMax
Gender
    male1785.0
    female315.0
Age (years)48.612.92980
Disease duration (months)29.739.74144
Failed prior immunosuppressive therapy1155.0
Histology stage (I to IV)
    I210.0
    I to II315.0
    II420.0
    II to III840.0
    III15.0
    III to IV210.0
Tubulointerstitial fibrosisa
    1+1680.0
    2+420.0
    3+0
Urinary protein excretion (g/24 h)11.94.95.726.5
Serum creatinine (mg/dl)1.50.50.82.3
Creatinine clearance (ml/min per 1.73 m2)72.433.230156
  • a Interstitial fibrosis is graded as 1+ (mild, occupying <25% parenchyma), 2+ (moderate, occupying 25% to 50% parenchyma), and 3+ (severe, occupying >50% parenchyma).