TABLE 3.

Distribution of percentages of concordant and discordant results for T-SPOT.TB and TST (n = 390)

VariableNo. discordant/total no. tested (%)% of subjects that were:
TST+ and T-SPOT.TB+TST and T-SPOT.TBTST+ and T-SPOT.TBTST and T-SPOT.TB+
Overall67/390 (17)5.1377.693.3313.85
Gender
    Male54/331 (16)5.4478.253.9312.39
    Female13/59 (22)3.3974.580.0022.03
Race
    White23/131 (18)2.2980.153.0514.50
    African-American29/166 (17)5.4277.113.6113.86
    Hispanic15/93 (16)8.6075.273.2312.90
Birth country
    United States58/348 (17)3.4579.892.5914.08
    Other9/42 (21)19.0559.529.5211.90
Prior incarceration
    No8/46 (17)8.7073.918.708.70
    Yes59/344 (17)4.6578.202.6214.53
IVDUb
    No52/341 (15)4.6980.063.2312.02
    Yes15/49 (30)8.1661.224.0826.53
Lived in sheltera
    No51/327 (16)4.2880.123.0612.54
    Yes16/63 (25)9.5265.084.7620.63
HIV status
    Negative66/372 (18)4.2880.123.0612.54
    Positive1/18 (5)0.0094.440.005.56
  • a History of living in nursing homes, homeless shelters, drug rehabilitation centers, or “bunkhouses.”

  • b IVDU, intravenous drug use.