Urinary epidermal growth factor as a marker for lupus nephritis: clinical, laboratory, and histopathological study

Egyptian Rheumatology and Rehabilitation

Table 1 The main demographic data for the patients

Variable	Mean± SD	Variable	Percent (%)	Variable	Percent (%)
Disease duration yr	5.4±4.2	Females	91.4	ANA	100
SLEDAI	12.3±9.4	Alopecia	45.5	dsDNA	60
WBC (× 10⁹/l)	7.2±3.4	Malar rash	54.5	Speckled ANA	60.5
PLT (× 10⁹/l)	272±135	Photosensitivity	77.3	Homogenous ANA	33.5
Hgb (g/dl)	9.9±2.4	DLE rash	31.8	Others ANA patterns	6
u-P/C (mg/mg)	1.2 ±1.2	Oral/nasal ulcers	54.5	Anti La	25
ESR (mm)	71±49.8	Pericarditis	13.6	Anti Ro	45
C3 (mg/dl)	62±35.4	Pleurisy	9.6	Ribosomal P0	20
C4 (mg/dl)	23±12.6	Anti Sm	10	APL	5.3

WBC white blood cells, PLT platelet count, Hgb hemoglobin, ESR erythrocyte sedimentation rate, C3 complement 3, C4 complement 4, DLE discoid lupus, Both both speckled and homogenous ANA, APL anti-phospholipid Abs, u-P/C urinary protein/creatinine ratio