Tuberculin conversion, lymphocyte migration test (LMIT), and scar formation (vaccine uptake) after BCG vaccination of preterm babies
| Group A (n=30) | Group B (n=31) | p Value | |||||||
|---|---|---|---|---|---|---|---|---|---|
| n (%) | 95% CI | n (%) | 95% CI | ||||||
| Positive tuberculin skin test | 24 (80.0) | 61.4, 92.3 | 25 (80.7) | 62.5, 92.6 | 1-1500.8 | ||||
| Positive LMIT | 26 (86.6) | 69.3, 96.2 | 28 (90.3) | 74.3, 98.0 | §0.7 | ||||
| BCG scar | 27 (90.0) | 73.5, 97.9 | 27 (87.1) | 70.2, 96.4 | §1.0 | ||||
↵1-150 χ2 test (0.07) with Yates’ correction;§Fisher’s exact test (2 tailed).
Group A: preterm babies vaccinated early at 34–35 weeks of postconceptional age.
Group B: preterm babies vaccinated late at 38–40 weeks of postconceptional age.