Computerized analysis of acceleration parameter for the non-stress test normal and potentially abnormal fetuses

Figures & data

Table 1. Basic subject information.

Index	Age	Valid time	Deliveryweek	Caesareanrate
Normal	30.36 ± 3.25	15.61 ± 4.60	39.98 ± 1.30	33.3
Potentially abnormal	31.68 ± 4.20	15.49 ± 4.68	39.49 ± 1.17	39.1
p Value	.323	.939	.247

Figure 1. The segment from t1 to t2 represents acceleration.

Table 2. Feature result comparison.

	ATR	NOA	LOA	NOAAG
Normal	40.9%±4.3%	12.7 ± 1.7	8.2 ± 0.9	16.7 ± 5.9
Potentially abnormal	37.2%±4.8%	12.1 ± 1.7	7.4 ± 1.0	10.9 ± 3.4
p Value	.006	.181	.006	<.001

Figure 2. The number of accelerations in 20 min.

Figure 3. The length of accelerations in 20 min.

Figure 4. The number of grids covered by acceleration area in 20 min.