High-Risk Indicators of Renal Involvement in Primary Sjogren’s Syndrome: A Clinical Study of 1002 Cases

Table 5

Multivariate analysis of factors associated with renal involvement in primary Sjogren’s syndrome.

Independent variables	Muitivariate analysis OR (95% Cl)	value
Arthralgia	1.32 (0.79, 2.22)	0.294
Weak	1.83 (1.01, 3.31)	0.046
Poor appetite	1.52 (0.34, 6.74)	0.580
Edema in the face	3.33 (0.58, 19.25)	0.179
Edema of both lower limbs	9.16 (3.18, 26.39)	0.000
Hypourocrinia	3768741.41 (0.00)	0.999
Frequent micturition	2.30 (0.03, 197.13)	0.714
Urgency of urine	0.51 (0.01, 27.65)	0.740
Odynuria	1.46 (0.02, 87.33)	0.856
Hematuria	97021762.92 (0.00)	1.000
Polydipsia	2521.28 (0.00)	0.999
Diuresis	0.00 (0.00)	0.999
Digestive tract symptoms	3.06 (1.02, 9.22)	0.047
Respiratory system symptoms	0.83 (0.23, 3.01)	0.779
Congestion of throat	9.02 (0.16, 507.78)	0.285
Bilateral pleural effusion	16009499.05 (0.00)	0.999
RBC (3.5-5/L)	1.12 (0.70, 1.81)	0.637
Hb (110-150 g/L)	1.00 (0.99, 1.01)	0.831
Urine RBC	1.01 (1.00, 1.01)	0.015
AST/ALT	1.00 (0.68, 1.49)	0.987
Prealbumin	1.01 (1.00, 1.01)	0.026
Total protein (65-85 g/L)	0.99 (0.95, 1.04)	0.778
A/G	1.37 (0.28, 6.68)	0.699
Creatinine (44-133 μmol/L)	1.03 (1.01, 1.04)	0.000
Urea nitrogen (2.8-68.2 mmol/L)	0.97 (0.85, 1.10)	0.628
CO2 CP (22-29 mmol/L)	0.95 (0.87, 1.03)	0.220
Cystatin C (0.1-0.3 mmol/L)	1.83 (1.16, 2.87)	0.009
α1-MG (10-30 mg/L)	1.03 (1.00, 1.05)	0.021
Uric acid (90-420 μmol/L)	1.00 (1.00, 1.00)	0.323
β2-MG (0.97-2.64 mg/L)	1.01 (0.96, 1.06)	0.805
Cl (99-110 mmol/L)	1.10 (1.03, 1.12)	0.004
Ca (2.08-2.6 mmol/L)	3.49 (0.47, 25.83)	0.221
Apolipoprotein A1	0.56 (0.26, 1.20)	0.134
Lipoprotein-α	1.00 (0.99, 1.02)	0.508
Acid phosphatase (1-9 U/L)	1.00 (0.91, 1.09)	0.916
ESR	1.01 (1.00, 1.02)	0.126
Complement-C3 (30.8-82.01 g/L)	0.46 (0.15, 1.37)	0.161
IgM	0.91 (0.71, 1.16)	0.434