Screening of Serum Protein Markers for Avascular Osteonecrosis of Femoral Head Differentially Expressed after Treatment with Yuanshi Shengmai Chenggu Tablets

Table 1

Demographic characteristics.

In Total	26
Male, (%)	11 (42.3)
Age, yr, mean ± SD	39.5 ± 5.3
History of SONFH, months, median (min, max)	23.1 (6, 34)
Primary disease, (%)
Systemic lupus erythematosus	13 (50.0)
Anaphylactoid purpura	5 (19.2)
Eczema	4 (15.4)
Psoriasis	2 (7.7)
Thrombocytopenic purpura	1 (3.8)
Fever of unknown origin	1 (3.8)