. 2018 Aug 28;13(8):e0202125. doi: 10.1371/journal.pone.0202125

Table 2. The values of the two-sample t-test (p values), and of the Bhattacaryya criterion, C_B, with its ranks per group of signals, to separate preterm and term, contraction and dummy intervals of the TPEHGT DS.

TPEHGT DS
Signal	**Contraction intervals (53 preterm / 53 term**)
	Band B0		Band B1			Band B2			Band B3
	SE	MF	SE	MF	PA	SE	MF	PA	SE	MF	PA
S2 (p)	0.138	0.008	0.004	0.271	≤1⁻³	≤1⁻³	0.028	≤1⁻³	≤1⁻³	0.886	≤1⁻³
S3 (p)	0.139	≤1⁻³	0.631	≤1⁻³	0.002	0.295	≤1⁻³	0.335	0.554	≤1⁻³	0.013
TOCO (p)	0.019	0.634	0.038	0.046	≤1⁻³	0.014	0.564	0.003	0.254	0.210	0.011
S2 (C_B)	0.007	0.017	0.007	≤1⁻³	0.147	0.040	0.003	0.292	0.047	≤1⁻³	0.072
S3 (C_B)	0.005	0.007	0.009	0.009	0.054	≤1⁻³	0.015	0.009	0.003	0.028	0.085
TOCO (C_B)	0.007	0.008	0.015	0.004	0.276	0.059	0.004	0.088	0.038	0.002	0.041
S2 (C_B rank)	15	9	16	21	2	7	19	1	6	22	4
S3	17	14	12	11	5	20	10	13	18	8	3
S2 (C_B rank)	14	11	16	21	3	9	19	1	7	22	5
TOCO	15	13	12	17	2	6	18	4	10	20	8
Signal	Dummy intervals (53 preterm / 53 term)
	Band B0		Band B1			Band B2			Band B3
	SE	MF	SE	MF	PA	SE	MF	PA	SE	MF	PA
S2 (p)	0.004	0.066	≤1⁻³	0.785	≤1⁻³	≤1⁻³	≤1⁻³	≤1⁻³	≤1⁻³	0.632	≤1⁻³
S3 (p)	0.952	0.332	0.128	0.696	≤1⁻³	0.866	0.022	0.002	0.274	0.016	≤1⁻³
TOCO (p)	0.013	0.460	≤1⁻³	0.227	≤1⁻³	0.068	0.554	≤1⁻³	0.118	0.193	≤1⁻³
S2 (C_B)	0.005	0.003	0.016	≤1⁻³	0.326	0.048	0.039	0.473	0.064	0.018	0.188
S3 (C_B)	≤1⁻³	0.003	0.035	≤1⁻³	0.178	0.016	0.006	0.226	0.016	0.009	0.232
TOCO (C_B)	0.006	0.006	0.055	0.004	0.399	0.009	0.005	0.124	0.022	≤1⁻³	0.048
S2 (C_B rank)	17	18	12	22	2	8	9	1	7	11	5
S3	20	19	10	21	6	14	16	4	13	15	3
S2 (C_B rank)	18	20	13	22	3	8	10	1	6	12	4
TOCO	16	15	7	19	2	14	17	5	11	21	9

Those p values ≤1⁻³ and ranks of the first 11 features according to C_B per group of signals are in bold.

Table 2. The values of the two-sample t-test (p values), and of the Bhattacaryya criterion, CB, with its ranks per group of signals, to separate preterm and term, contraction and dummy intervals of the TPEHGT DS.