Table 1 Clinical features of systemic lupus erythematosus (SLE) patients who underwent kidney biopsy categorized by newly diagnosed SLE and previously diagnosed SLE
From: Clinical comparisons between previously diagnosed SLE and newly diagnosed SLE by kidney biopsy
Factors | Previously diagnosed SLE n = 37 | Newly diagnosed SLE n = 31 | p value |
|---|---|---|---|
Age, years | 30.95 (12.38) | 36.87 (12.32) | 0.046 |
Female sex, n (%) | 34 (91.89) | 23 (74.19) | 0.048 |
Body mass index, kg/m2 | 25.00 (6.12) | 26.37 (4.75) | 0.796 |
Diabetes mellitus, n (%) | 1 (2.70) | 0 | 0.999 |
Hypertension, n (%) | 23 (62.16) | 16 (51.61) | 0.381 |
New-onset hypertension, n (%) | 3 (8.11) | 7 (22.58) | 0.167 |
Stroke, n (%) | 0 | 1 (3.23) | 0.456 |
Systolic blood pressure, mmHg | 134.35 (19.93) | 134.22 (21.65) | 0.980 |
Diastolic blood pressure, mmHg | 83.48 (15.89) | 84.38 (14.74) | 0.810 |
Serum creatinine, mg/dL | 1.51 (1.70) | 1.82 (2.72) | 0.838 |
Glomerular filtration rate, mL/min/1.73m2 | 79.48 (41.16) | 78.51 (44.18) | 0.925 |
24-h proteinuria, g/day | 3.55 (2.21) | 5.09 (3.78) | 0.054 |
Serum albumin, g/dL | 2.51 (0.87) | 2.58 (0.62) | 0.732 |
Serum cholesterol, mg/dL | 314.56 (110.83) | 354.58 (122.97) | 0.083 |
HBV infection, n (%) | 1 (2.70) | 1 (3.23) | 0.999 |
Crescent, n (%) | 11 (29.73) | 7 (22.58) | 0.506 |
RBC in urine > 50 cells/hpf, n (%) | 4 (10.81) | 6 (19.35) | 0.494 |
Pathological types, n (%) | 0.401 | ||
Class II | 0 | 1 (3.23) | |
Class III | 1 (2.70) | 2 (6.45) | |
Class IV | 26 (70.27) | 18 (58.06) | |
Class IV plus V | 0 | 2 (6.45) | |
Class V | 10 (27.03) | 8 (25.81) |