TABLE 3.

Characteristics of the 166 subjects, by clinical outcome

CharacteristicValue for study group
CureFailure
PlaceboCephalexinPlaceboCephalexin
Shown as no. (%) of subjects
    Male sex61 (80.3)47 (68.1)7 (87.5)12 (92.3)
    Homeless28 (36.8)24 (34.8)4 (50.0)5 (38.5)
    Race
        Pacific Islander1 (1.6)0 (0.0)0 (0.0)0 (0.0)
        Asian2 (3.3)3 (5.6)0 (0.0)0 (0.0)
        African-American27 (44.3)23 (42.6)4 (57.1)4 (40.0)
        Caucasian31 (50.8)28 (51.9)3 (42.9)6 (60.0)
    Hepatitis (B or C)23 (30.3)21 (30.4)5 (62.5)4 (30.8)
    Diabetes5 (6.6)2 (2.9)0 (0.0)0 (0.0)
    Intravenous drug use38 (50.0)32 (46.4)4 (50.0)5 (38.5)
    Tissue depth
        Subcutaneous44 (67.7)34 (63.0)4 (66.7)7 (70.0)
        Fascia9 (13.8)10 (18.5)1 (16.7)1 (10.0)
        Muscle12 (18.5)10 (18.5)1 (16.7)2 (20.0)
Shown as mean value
    Age (yr)44.242.546.540.9
    Mean amt of pus drained (ml)20.929.314.744.1
    Surface area of abscess (cm2)20.216.87.128.0