TABLE 1.
Association between sialidase or prolidase activity levels and LBW or PTD
| Measured parameter(s) and/or vaginal colonization | % Positivea
|
||
|---|---|---|---|
| NTD (n = 116) | LBW (n = 116) | PTD (n = 86) | |
| BV | 14.6 | 20.7, 1.5 (0.9-2.6) | 12.8, 0.9 (0.4-1.7) |
| G. vaginalis | 36.2 | 42.2, 1.3 (0.8-2.0) | 36.0, 1.0 (0.6-1.6) |
| BV and sialidase activity | |||
| ≥+1 (cutoff) | 9.1 | 15.7, 1.9 (1.0-3.4)b | 7.1, 0.8 (0.3-1.9) |
| ≥+2 | 1.0 | 3.5, 3.7 (0.9-15.1) | 2.4, 2.5 (0.4-13.8) |
| G. vaginalis and sialidase activity | |||
| ≥+1 (cutoff) | 11.0 | 18.3, 1.8 (1.0-3.2)b | 11.8, 1.1 (0.5-2.2) |
| ≥+2 | 1.0 | 3.5, 3.7 (0.9-15.1) | 2.4, 2.5 (0.5-13.8) |
| Sialidase activity | |||
| ≥+1 (cutoff) | 15.3 | 28.7, 2.2 (1.4-3.6)b | 20.0, 1.4 (0.8-2.5) |
| ≥+2 | 1.0 | 3.5, 3.7 (0.9-15.1) | 2.4, 2.5 (0.4-13.8) |
| BV and prolidase activity | |||
| ≥+1 (cutoff) | 13.5 | 18.6, 1.5 (0.8-2.5) | 12.0, 0.9 (0.4-1.8) |
| ≥+2 | 0.2 | 2.7, 11.3 (1.2-109.6)b | 1.2, 5.0 (0.3-81.5) |
| G. vaginalis and prolidase activity | |||
| ≥+1 (cutoff) | 23.4 | 31.0, 1.5 (0.9-2.3) | 26.5, 1.2 (0.7-2.0) |
| ≥+2 | 0.7 | 4.4, 6.4 (1.5-27.0)b | 3.6, 5.2 (1.0-26.0)b |
| Prolidase activity | |||
| ≥+1 (cutoff) | 33.7 | 41.6, 1.4 (0.9-2.1) | 34.9, 1.1 (0.6-1.7) |
| ≥+2 | 1.0 | 4.4, 4.8 (1.3-18.0)b | 3.6, 3.9 (0.8-17.6) |
a
Where two values are given, the second value is the OR. Values in parentheses are 95% CIs.
b
P < 0.05.