Table 3.

Feature extraction of case and control ranked based on the P value.

No	Feature (median)	Mean (SD)		P-value
		Case (N = 43)	Control (N = 43)
1	d2s_wt	0.34 (0.06)	0.38 (0.07)	1.0238 ×10−17
2	o2n_hr	17.60 (6.65)	21.49 (5.32)	2.7352 ×10−17
3	s2o_wt	0.32 (0.08)	0.37 (0.07)	9.5081 ×10−17
4	n2s_wt	0.32 (0.08)	0.36 (0.08)	6.2534 ×10−15
5	o2d_hr	18.84 (7.88)	23.48 (5.00)	4.1973 ×10−12
6	s2s_wt	0.48 (0.08)	0.52 (0.08)	5.3208 ×10−12
7	d2d_wt	0.48 (0.09)	0.52 (0.08)	2.1099 ×10−11
8	s2n_hr	20.83 (9.24)	17.73 (6.69)	1.3851 ×10−8
9	s2d_wt	0.14 (0.04)	0.16 (0.05)	7.5295 ×10−7
10	n2d_wt	0.21 (0.16)	0.23 (0.19)	1.8000 ×10−3
11	d2o_wt	0.20 (0.06)	0.22 (0.05)	2.3380 ×10−4
12	o2s_wt	0.15 (0.05)	0.15 (0.03)	0.01717
13	n2n_wt	0.59 (0.44)	0.54 (0.12)	0.05662
14	o2o_wt	0.59 (0.43)	0.54 (0.13)	0.6368
15	o2s_hr	33.14 (10.36)	31.95 (6.58)	0.2209
16	o2n_wt	0.30 (0.09)	0.31 (0.07)	0.2479
17	o2d_wt	0.28 (0.04)	0.31 (0.09)	0.2657
18	n2o_wt	0.33 (0.51)	0.22 (0.11)	0.2931
19	d2n_wt	0.26 (0.19)	0.25 (0.20)	0.3687
20	s2n_wt	0.15 (0.07)	0.37 (0.07)	0.6301

The 12 bold items indicates 12 statistically significance features with P-value of less than 0.05 (p < 0.05).