Table 1.
Maternal characteristics by treatment group
| Maternal characteristics | N | Boosted PI | Unboosted PI | Other | None | p a | p b |
|---|---|---|---|---|---|---|---|
| Year of delivery | |||||||
| 1988–1996 | 107 | 0 (0) | 0 (0) | 59 (35.5) | 48 (81.4) | <0.001 | <0.001 |
| 1997–2006 | 318 | 18 (12.5) | 196 (89.1) | 97 (58.4) | 7 (11.9) | ||
| 2007–2011 | 164 | 126 (87.5) | 24 (10.9) | 10 (6.0) | 4 (6.8) | ||
| Age (years) | |||||||
| < 25 | 72 | 9 (6.3) | 24 (11.0) | 22 (13.3) | 17 (29.3) | <0.001 | 0.13 |
| 25–35 | 367 | 86 (59.7) | 137 (62.8) | 108 (65.5) | 36 (62.1) | ||
| > 35 | 146 | 49 (34.0) | 57 (26.2) | 35 (21.2) | 5 (8.6) | ||
| CD4 count (cells/mm3) | |||||||
| < 200 | 58 | 16 (11.9) | 18 (8.6) | 18 (11.2) | 6 (11.3) | 0.18 | 0.58 |
| 200–350 | 101 | 19 (14.2) | 33 (15.8) | 40 (24.8) | 9 (17.0) | ||
| > 350 | 398 | 99 (73.9) | 158 (75.6) | 103 (64.0) | 38 (71.7) | ||
| Parity | |||||||
| Multip with PPTD | 7 | 4 (2.8) | 1 (0.45) | 1 (0.6) | 1 (1.7) | <0.001 | <0.001 |
| Multip without PPTD | 107 | 47 (32.9) | 35 (15.9) | 22 (13.3) | 3 (5.1) | ||
| Nulliparous | 474 | 92 (63.3) | 184 (83.6) | 143 (86.1) | 55 (93.2) | ||
| Hepatitis C | |||||||
| Negative | 557 | 135 (93.8) | 201 (91.4) | 163 (98.2) | 58 (98.3) | 0.015 | 0.40 |
| Positive | 32 | 9 (6.25) | 19 (8.64) | 3 (1.70) | 1 (1.69) | ||
| Race | |||||||
| Black | 379 | 103 (79.2) | 130 (62.8) | 108 (65.9) | 38 (64.4) | <0.001 | 0.006 |
| Caucasian | 140 | 20 (15.4) | 58 (28.0) | 42 (25.6) | 20 (33.9) | ||
| Other | 41 | 7 (5.40) | 19 (9.2) | 14 (8.54) | 1 (1.70) |
a
Chi-square test across all categories
b
Chi-square test comparing only boosted to unbooted PIs.