Table 1 Transmission rate of tuberculosis from pediatric index cases[15–25]. n.a. = not available
Index case (age/smear) | Transmission rate to pediatric contacts n (%) | Transmission rate to adult contacts n (%) | Transmission rate to contacts n (%) | Reference |
|---|---|---|---|---|
9 years Smear positive | n.a. | n.a. | 56/27 (20%) | Curtis et al, 1999 [20] |
7 years Smear positive | 22/169 (13%) | 19/49 (38,7%) | 41/218 (18,8%) | Cardona et al, 1999 [21] |
4 months Smear positive | 0/44 (0%) | 1/142 (0,7%) | 1/186 (0,5%) | Ciofi degli atti et al, 2011 [25] |
7 years Smear positive | 1/16 (6,7%) | 4/211 (1,9%) | 5/227 (2,2%) | Lee et al, 2005 [22] |
10 years n.a. | 21/29 (72,4%) | n.a. | 21/29 (72,4%) | Molicotti et al, 2008 [23] |
16 years Smear positive | 67/765 (8,7%) | 0/172 (0%) | 67/937 (7,1%) | Caley et al, 2010 [18] |
9 years Smear negative | 85/200 (42,5%) | n.a. | 85/200 (42,5%) | Paranjothy et al, 2008 [19] |
4 months Smear positive | n.a. | n.a. | 17/525 (3,2%) | Reynolds et al, 2006 [24] |
15 years Smear positive | 58/559 (10,3%) | 7/67 (10,4%) | 65/626 (10,3%) | Phillips et al, 2004 [15] |
13 years Smear positive | 195/486 (40%) | 12/40 (30%) | 207/526 (39,3%) | Sacks et al, 1985 [16] |
15 years Smear negative | 20/52 (37,7%) | 0/15 (0%) | 20/67 (29,8%) | Baghaie et al, 2012 [17] |