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Table 4 Univariate and multivariate Cox regression analyses of factors associated with renal outcome

From: Clinical impact of endocapillary proliferation according to the Oxford classification among adults with Henoch-Schönlein purpura nephritis: a multicenter retrospective cohort study

Variables

Univariate model

P value

Multivariate model 1

P value

Multivariate model 2

P value

HR (95%CI)

HR (95%CI)

HR (95%CI)

Age (per 10 years)

1.64 [1.17–2.30]

0.0040

1.58 [1.15–2.18]

0.0052

1.57 [1.12–2.21]

0.0095

Sex (male)

3.04 [0.93–9.91]

0.065

2.56 [0.75–8.73]

0.13

2.92 [0.74–11.6]

0.13

Diabetes

1.21 [0.16–9.44]

0.85

    

Hypertension

1.30 [0.42–3.97]

0.65

    

eGFR (per 10 mL/min/1.73 m2)

0.91 [0.73–1.14]

0.41

    

mPSL therapy

1.53 [0.47–4.98]

0.48

    

Proteinuria (≥ 1 g/day)

2.16 [0.59–7.88]

0.24

0.49 [0.099–2.43]

0.38

0.52 [0.11–2.42]

0.41

E1 lesion

6.13 [1.36–27.7]

0.018

8.94 [1.44–55.7]

0.019

6.71 [1.06–42.7]

0.044

S1 lesion

1.58 [0.52–4.84]

0.42

    

T1 and 2 lesions

2.13 [0.69–6.52]

0.19

  

2.57 [0.67–9.77]

0.17

C1 lesion (vs. C0 lesion)

5.85 [0.74–46.2]

0.094

  

2.88 [0.29–29.1]

0.37

C2 lesion (vs. C0 lesion)

6.08 [0.62–59.3]

0.12

  

2.76 [0.23–33.2]

0.42

JHC II or III (vs. JHC I)

1.39 [0.46–4.14]

0.56

    

ISKDC grade III or IV lesion (vs. grade I or II)

5.09 [0.66–39.1]

0.12

    
  1. HR hazard ratio, CI confidence interval, eGFR estimated glomerular filtration rate, mPSL methylprednisolone, E endocapillary proliferation, S segmental sclerosis/adhesion, T tubular atrophy/interstitial fibrosis, C cellular or fibrocellular crescents, JHC Japanese histologic classification, ISKDC International Study of Kidney Disease in Children