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Table 1 Demographics and clinical characteristics of patients

From: Performance of cytokine models in predicting SLE activity

ParameterActive SLE (n = 51)Inactive SLE (n = 73)p value
Age, year (mean ± SD)35.79 ± 14.3141.01 ± 12.711.000
Gender, male, n (%)2 (3.92)4 (5.48)1.000
Female, n (%)49 (96.08)69 (94.52) 
BMI, kg/m2, (#)21.25 (14.67–30.85)23.06 (15.89–46.70)1.000
Age onset, year (mean ± SD)29.55 ± 14.2531.74 ± 12.501.000
Disease duration, month, (#)63.63 (0–383.40)102.90 (4.40–482.10)1.000
Duration of last active, month, (#) ***2.50 (0–13.00)8.20 (0.90–165.10)< 0.001
Hypertension, n (%)6 (11.76)9 (12.33)1.000
Diabetes mellitus, n (%)4 (7.84)5 (6.85)1.000
Clinical SLEDAI score, (#) ***8 (1–36)0< 0.001
ESR, mm/h (#)33 (5–120)22 (5–98)0.519
 ESR < 20 mm/h, n (%)15 (29.4)34 (46.6)1.000
 ESR > 20 mm/h, n (%)36 (70.6)39 (53.4)1.000
WBC, cells/mm3 (#)6220 (2700-17,290)5500 (3060-13,940)1.000
Hemoglobin, g/dl (#) *12.00 (6.70–14.00)12.00 (9.30–15.60)0.034
Platelet, ×103 cells/mm3 (#)271 (57–458)262 (127–445)1.000
Serum creatinine, mg/dl (#)0.80 (0.40–1.89)0.70 (0.50–1.28)1.000
UPCR, (#)1.71 (0.12–33.33)0.12 (0.03–0.40)0.534
 UPCR < 0.5, n (%) ***22 (43.1)73 (100)< 0.001
 UPCR > 0.5, n (%) ***29 (56.9)0 (0)< 0.001
 UPCR > 1.0, n (%) ***20 (39.2)0 (0)< 0.001
  1. BMI body mass index, ESR erythrocyte sedimentation rate, UPCR urine protein to creatinine ratio
  2. # = [median (range)]; *p <  0.05, ***p <  0.001 (Bonferroni correction)