Table 1.

Characteristics of study groups in the United States and Denmarka

CharacteristicCDUCUCControl
SurgicalOutpatientSurgicalOutpatientSurgicalHealthy
USDKUSDKUSDKUSDKUSDKUSDK
Total no.33501147535263175193019877
Gender; no. (%) of males15 (45.5)17 (34)46 (40.4)35 (47)19 (54.3)16 (62)10 (29.4)41 (55)11 (57.9)16 (53)84 (42.4)40 (52)
Age (yr), mean ± SD34.2 ± 13.639.4 ± 14.040.9 ± 13.444.8 ± 17.638.4 ± 12.442.5 ± 14.744.2 ± 12.448.3 ± 16.443.8 ± 20.167.8 ± 15.637.8 ± 13.542.6 ± 12.1
No. BCG vaccinated (%)037 (78.7)056 (88.9)020 (80.0)067 (88.9)020 (76.9)4 (2.0)63 (85.1)
Disease duration (yr), mean ± SD (range) 9.5 ± 8.7 (1–37) 7.8 ± 7.32 (0–26)13.3 ± 11.7 (0–40) 9.1 ± 9.3 (0–41) 6.5 ± 6.3 (0–23) 7.0 ± 8.0 (0–25)11.5 ± 10.1 (0–36)12.4 ± 12.0 (0–53)NR 0.2 ± 0.9 (0–4)NANA
  • a Abbreviations: US, United States; DK, Denmark; NR, not reported; NA, not applicable. For percent BCG vaccinated, subjects with unknown vaccination status were excluded from the calculation.