Table 4.
Regression analysis of risk factors and markers for CsA nephrotoxicitya
| Parameter | Limited or Overt Toxicity |
Overt Toxicity |
||||
|---|---|---|---|---|---|---|
| OR | 95% CI | P | OR | 95% CI | P | |
| Univariate analysis | ||||||
| patient characteristics | ||||||
| male gender | 1.42 | 0.47 to 4.29 | 0.54 | 2.42 | 0.48 to 12.26 | 0.28 |
| age of onset of NS (yr) | 0.94 | 0.78 to 1.19 | 0.54 | 1.04 | 0.84 to 1.29 | 0.70 |
| age at CsA (yr) | 1.02 | 0.88 to 1.18 | 0.78 | 1.05 | 0.88 to 1.26 | 0.58 |
| years of NS before CsA | 1.09 | 0.92 to 1.30 | 0.33 | 1.04 | 0.83 to 1.29 | 0.75 |
| years of CsA at biopsy | 0.85 | 0.67 to 1.06 | 0.15 | 0.90 | 0.68 to 1.20 | 0.48 |
| no. of relapses | 0.51 | 0.20 to 1.33 | 0.17 | 0.57 | 0.16 to 2.01 | 0.38 |
| weight (SDS) | 1.08 | 0.81 to 1.46 | 0.60 | 1.08 | 0.75 to 1.57 | 0.67 |
| height (SDS) | 0.89 | 0.58 to 1.35 | 0.58 | 0.85 | 0.49 to 1.45 | 0.54 |
| BMD (z score) | 1.42 | 0.76 to 2.68 | 0.27 | 1.04 | 0.54 to 2.01 | 0.90 |
| SBP (SDS) | 0.89 | 0.40 to 1.99 | 0.78 | 1.22 | 0.44 to 3.40 | 0.70 |
| DBP (SDS) | 1.67 | 0.46 to 6.10 | 0.44 | 1.58 | 0.31 to 7.96 | 0.58 |
| treatment variables | ||||||
| CsA dosage (mg/kg per d; mean) | 0.84 | 0.55 to 1.28 | 0.41 | 0.83 | 0.48 to 1.42 | 0.49 |
| CsA T2 levels (ng/ml; mean) | 1.01 | 1.01 to 1.01 | 0.26 | 1.01 | 1.00 to 1.01 | 0.06 |
| steroid dosage (mg/m2 per d; mean) | 0.99 | 0.87 to 1.14 | 0.90 | 1.08 | 0.90 to 1.28 | 0.41 |
| CCB | 2.39 | 0.74 to 7.74 | 0.15 | 2.55 | 0.63 to 10.24 | 0.19 |
| ACEI or ARB | 8.76 | 2.04 to 7.56 | 0.003 | 13.2 | 2.95 to 59.09 | 0.001 |
| renal pathology | ||||||
| MCD | 0.31 | 0.01 to 0.96 | 0.04 | 0.33 | 0.12 to 2.03 | 0.49 |
| FSGS | 1.02 | 0.31 to 3.38 | 0.98 | 0.80 | 0.15 to 4.19 | 0.79 |
| FGGS | 2.80 | 0.84 to 9.32 | 0.10 | 1.50 | 0.35 to 6.52 | 0.59 |
| mesangial proliferation | 2.59 | 0.66 to 0.09 | 0.17 | 2.84 | 0.61 to 13.29 | 0.19 |
| markers of CsA toxicity | ||||||
| uric acid (mg/dl) | 1.64 | 1.02 to 2.62 | 0.04 | 2.81 | 1.39 to 5.69 | 0.01 |
| Multivariate analysis | ||||||
| MCD | 0.38 | 0.11 to 1.28 | 0.12 | |||
| ACEI or ARB | 7.40 | 1.68 to 2.65 | 0.008 | 11.35 | 2.40 to 53.80 | 0.002 |
| CsA T2 levels (ng/ml; mean) | 1.00 | 0.99 to 1.01 | 0.19 | |||
CI, confidence interval; OR, odds ratio.