Table 5

Final results of GEE model

	RF	Model I (MI)				Model II (MII)
	RF	OR	CI	LR χ²	p	OR	CI	LR χ²	p
RF, risk factor; OR, odds ratio; CI, confidence interval; PDN, prednisone; CLQ, chloroquine; HCLQ, hydroxychloroquine; AZA, azathioprine; MTX, methotrexate; CSA, cyclosporin A; DNZ, danazol.
Age		1.1	1 to 1.1	54.2 (20)	0.01	1.1	1 to 1.1	44.4 (11)	0.002
Sex (female)		0.4	0.1 to 2.2	54.2 (20)	0.31	0.3	0.1 to 1.7	44.4 (11)	0.174
Previous UTI	Yes	3.5	1.5 to 8.5	54.2 (20)	0.01	4.5	2 to 10	44.4 (11)	0.000
Constipation	Yes	1.3	0.6 to 2.9	54.2 (20)	0.52	1.3	0.6 to 2.8	44.4 (11)	0.590
Urinary anatomical or functional malformation	Yes	0.3	0.1 to 1.3	54.2 (20)	0.12	0.4	0.1 to 1.4	44.4 (11)	0.158
Admissions because of UTI	Yes	31.4	3.4 to 293.6	54.2 (20)	0.01	15.9	2.8 to 91.1	44.4 (11)	0.002
ANA>1/80 IU/ml	Yes	2.9	1.1 to 7.4	54.2 (20)	0.03	2.8	1.2 to 6.8	44.4 (11)	0.022
nDNA >100 IU/ml	Yes	1.4	0.4 to 4.2	54.2 (20)	0.60	–	–	–	–
C3 <79 IU/ml	Yes	2.9	0.9 to 9.2	54.2 (20)	0.08	2.1	0.8 to 5.6	44.4 (11)	0.160
C4 <16 IU/ml	Yes	0.7	0.3 to 2.1	54.2 (20)	0.55	–	–	–	–
Leucocytes <3×10⁹/l	Yes	3.1	0.9 to 10.9	54.2 (20)	0.08	2.7	0.9 to 8.7	44.4 (11)	0.093
Platelets <100×10⁹/l	Yes	2.9	0.7 to 11.8	54.2 (20)	0.12	4.3	1.3 to 14.8	44.4 (11)	0.02
CLQ weekly	Yes	0.9	0.9 to 1	54.2 (20)	0.35	–	–	–	–
HCLQ weekly	Yes	0.9	0.9 to 1	54.2 (20)	0.95	–	–	–	–
PDN weekly	Yes	0.9	0.9 to 1	54.2 (20)	0.30	–	–	–	–
AZA weekly	Yes	1	0.9 to 1	54.2 (20)	0.14	–	–	–	–
MTX weekly	Yes	1.1	0.9 to 1.3	54.2 (20)	0.03	1.1	0.9 to 1.3	44.4 (11)	0.063
CSA weekly	Yes	0.9	0.9 to 1	54.2 (20)	0.52	–	–	–	–
DNZ weekly	Yes	1.0	0.99 to 1.00	54.19 (20)	0.15	–	–	–	–