Table 4.

Univariable and multivariable logistic regression of the predictive factors for transient dialysis (n = 71)

Factors	Univariable Analysis			Multivariable Analysis (adjusted to PLEX)
	OR	95% CI	P-value	OR	95% CI	P-value
Age ˂ 60 yr	0.933	0.336–2.591	0.895
Male	1.034	0.375–2.853	0.948
GPA	2.700	1.004–7.260	0.049a
PR3	2.456	0.917–6.579	0.074
Alveolar hemorrhage	1.004	0.351–2.868	0.994
Hb at diagnosis ----	1.432	1.014–2.024	0.042a
Erythrocyte sedimentation rate at diagnosis	1.013	0.995–1.031	0.171
SCr at diagnosis	0.800	0.669–0.956	0.014a
eGFR at diagnosis	1.069	1.001–1.141	0.046a
MCCS
Minimal	8.039	1.965–32.884	0.004a	6.138	1.389–27.118	0.017a
Mild	1.137	0.419–3.089	0.801
Moderate	0.500	0.167–1.496	0.215
Severe	0.131	0.016–1.087	0.060
MCCS score	0.728	0.593–0.893	0.002a
Berden
Focal	6.875	1.906–24.798	0.003a	5.017	1.287–19.567	0.020a
Crescentic	1.329	0.494–3.573	0.573
Mixed	0.276	0.081–0.938	0.039a
Sclerotic	0.203	0.024–1.753	0.147
Intervention
Remission-induction treatment
Rituximab (vs. CYC) ----	1.335	0.497–3.587	0.567
Remission-induction adjuvant therapies
Plasma exchange	1.745	0.661–4.606	0.261	1.650	0.548–4.965	0.373
i.v. methylprednisolone	1.603	0.288–8.905	0.590

CI, confidence interval; CYC, Cyclophosphamide; eGFR, estimated glomerular filtration rate; Hb, hemoglobin; GPA, granulomatosis with polyangiitis; MCCS, Mayo Clinic Chronicity score; OR, odds ratio; PLEX, plasma exchange; PR3, proteinase 3; Scr, serum creatinine.

^aP ≤ 0.05, indicate statistical significance.