Table 2.
Comparison of computerized FECG-derived FHR parameters in relation to acidemia.
| Total | Acidemia | Nonacidemia | P value | |
|---|---|---|---|---|
| n = 63 | n = 16 | n = 47 | ||
| BFHR, pbm | 137.70 ± 8.60 | 140.67 ± 8.89 | 136.67 ± 8.34 | 0.52 |
| STV, ms | 7.81 ± 2.17 | 5.91 ± 1.17 | 8.46 ± 2.05 | 0.03 |
| DC, ms | 2.24 ± 0.67 | 1.69 ± 0.38 | 2.42 ± 0.64 | 0.04 |
| |AC|, ms | 2.15 ± 0.67 | 1.67 ± 0.39 | 2.31 ± 0.66 | 0.03 |
| LA, times/h∗ | 5.94 ± 3.54 | 3.91 ± 2.56 | 6.64 ± 3.58 | 0.24 |
| PEHV, % | 40.80 ± 13.41 | 36.07 ± 11.49 | 42.41 ± 13.75 | 0.72 |
| PELV, % | 12.83 ± 6.67 | 17.45 ± 7.86 | 11.26 ± 5.46 | 0.04 |
FECG: fetal electrocardiogram; FHR: fetal heart rate; BFHR: basal fetal heart rate; STV: short-term variation; DC: deceleration capacity; AC: acceleration capacity; LA: large acceleration; PEHV: proportion of episodes of high variation; PELV: proportion of episodes of low variation. ∗Kolmogorov–Smirnov test.