Table 3.
Studies of CL in high-risk women with spontaneous PTD.
| Authors | n | GW at testing | Outcome (GW) | Cutoff value (mm) | Sen. (%) | Spec. (%) | PPD (%) | NPD (%) | RR |
|---|---|---|---|---|---|---|---|---|---|
| Berghella et al. [43] | 96 | 14–30 | <35 | 25.0 | 59.0 | 85.0 | 45.0 | 91.0 | 4.8 |
| Owen et al. [48] | 183 | 16–24 | <35 | 25.0 | 69.0 | 80.0 | 55.0 | 88.0 | 3.4 |
| Crane and Hutchens [66] | 193 | 24–30 | <35 | 30.0 | 63.6 | 77.2 | 28.0 | 93.8 | — |
| Adhikari et al. [41] | 79 | 24–28 | <37 | 29.5 | 75.0 | 80.1 | 71.4 | 90.7 | — |
| <34 | 26.5 | 50.0 | 85.5 | 23.1 | 95.2 | — | |||
| Berghella et al. [68] | 45 | 16–24 | <35 | 25.0 | 60.0 | 69.0 | 35.0 | 86.0 | 2.5 |
| Crane et al. [69] | 75 | 24–30 | <37 | 30.0 | 70.0 | 90.8 | 53.8 | 95.2 | — |
| Airoldi et al. [70] | 64 | 14–23+6 | <35 | 25.0 | 71.0 | 91.0 | 50.0 | 95.0 | 13.5 |
| Visintine et al. [72] | 131 | 14–24 | <35 | 25.0 | 53.0 | 75.0 | 48.0 | 78.0 | 2.2 |