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Table 5 Univariate logistic regression analysis for osteoporosis in premenopausal and postmenopausal patients with LN

From: Prevalence and risk factors of osteoporosis in lupus nephritis patients in China: a cross-sectional study

Parameters

All patients

Odds Ratio (95% CI)

Premenopausal patients

Odds Ratio (95% CI)

Postmenopausal patients

Odds Ratio (95% CI)

Age (per year)

1.041 (1.010, 1.072)

1.039 (0.981, 1.100)

0.997 (0.942, 1.055)

Disease duration (per year)

1.017 (0.958, 1.079)

1.085 (0.959, 1.226)

0.975 (0.906, 1.048)

Age at diagnosis of LN (per year)

1.033 (1.005, 1.061)

1.024 (0.965, 1.088)

1.010 (0.967, 1.054)

Age at menopause (per year)

0.878 (0.777, 0.992)

-

0.878 (0.777, 0.992)

Menopause duration (per year)

1.081 (0.993, 1.176)

-

1.081 (0.993, 1.176)

SLEDAI score (per score)

1.022 (0.962, 1.085)

0.985 (0.900, 1.007)

1.073 (0.973, 1.184)

Weight (per kg)

0.942 (0.901, 0.984)

0.982 (0.901, 1.069)

0.887 (0.830, 0.947)

Height (per cm)

0.883 (0.822, 0.948)

0.882 (0.786, 0.989)

0.835 (0.743, 0.939)

Body mass index (per kg/m2)

0.942 (0.846, 1.049)

1.124 (0.912, 1.386)

0.768 (0.649, 0.909)

Proteinuria (with vs. without)

1.082 (0.533, 2.195)

0.517 (0.143, 1.870)

1.361 (0.520, 3.566)

Serum creatinine (per µmol/L)

1.005 (0.993, 1.017)

1.009 (0.977, 1.042)

1.002 (0.990, 1.014)

Blood urea nitrogen (per mmol/L)

1.151 (0.995, 1.331)

1.118 (0.865, 1.443)

1.086 (0.915, 1.290)

Uric acid (per µmol/L)

1.001 (0.997, 1.004)

1.001 (0.995, 1.008)

0.999 (0.995, 1.004)

Serum correction calcium (per mmol/L)

2.528 (0.138, 46.323)

0.352 (0.005, 26.116)

3.539 (0.042, 299.305)

Duration of use corticosteroids (per year)

1.016 (0.956, 1.080)

1.051 (0.935, 1.183)

0.981 (0.909, 1.059)

Corticosteroids max dosage (per mg/day)

0.998 (0.989, 1.006)

0.970 (0.936, 1.006)

0.997 (0.987, 1.006)

Immunosuppressant drugs (with vs. without)

1.310 (0.581, 2.950)

1.935 (0.474, 7.907)

0.809 (0.261, 2.504)

Antimalarial (with vs. without)

1.905 (0.902, 4.029)

1.407 (0.414, 4.784)

2.206 (0.804, 6.056)

Calcineurin inhibitors (with vs. without)

0.957 (0.380, 2.406)

0.795 (0.189, 3.341)

2.000 (0.456, 8.772)

Calcium supplements (with vs. without)

1.193 (0.415, 3.431)

1.026 (0.184, 5.718)

1.611 (0.352, 7.364)

α calcitriol supplements (with vs. without)

0.845 (0.235, 3.046)

0.793 (0.137, 4.582)

0.909 (0.120, 6.862)

Bisphosphonates (with vs. without)

0.301 (0.145, 0.627)

0.556 (0.154, 2.002)

0.269 (0.096, 0.755)

  1. LN, lupus nephritis; 95% CI, 95% confidence interval; SLEDAI, Systemic Lupus Erythematosus Disease Activity Index