A Study of Logistic Regression for Fatigue Classification Based on Data of Tongue and Pulse

Table 3

Statistical result of the tongue body and tongue coating (mean (SD) and median (P₂₅, P₇₅)).

Domain	Color space	Index	Healthy controls	Subhealth fatigue	Disease fatigue
			(N = 551)	(N = 252)	(N = 1160)
TB	RGB	TB-R	156.00(143.00,171.00)	153.00(139.00,165.75)	158.00(147.00,169.00)^##
		TB-G	99.00(90.00,110.00)	98.00(87.00,110.00)	100.00(92.00,110.75)^#
		TB-B	105.00(94.00,118.00)	104.00(93.00,118.00)	108.00(99.00,120.00)^##
	YCrCb	TB-Y	115.77(107.05,126.27)	115.40(105.14,125.09)	117.46(110.08,126.16)^##
		TB-Cr	152.17(149.64,154.65)	151.31(148.37,153.84)	152.21(148.82,155.17)^#
		TB-Cb	121.46(119.99,124.21)	121.32(119.84,126.08)	121.74(120.00,127.46)
	HSI	TB-H	176.27(169.98,179.15)	176.52(166.25,180.00)	175.16(162.12,178.32)^##
		TB-S	0.18(0.16,0.20)	0.18(0.15,0.20)	0.18(0.16,0.20)
		TB-I	119.00(108.00,132.00)	118.50(106.00,130.00)	121.00(113.00,132.00)^##
	Lab	TB-L	104.33(100.72,108.58)	104.08(99.70,108.05)	104.94(101.84,108.42)^##
		TB-a	20.62(18.42,22.79)	20.49(18.11,22.68)	20.98(18.69,23.13)
		TB-b	4.91(1.64,6.59)	5.01(−0.17,6.87)	4.35(−1.82,6.23)^#
	Texture index	TB-CON	65.33(42.36,92.43)	66.07(40.86,97.57)	60.92(41.26,85.49)
		TB-ENT	1.19(1.09,1.27)	1.19(1.08,1.28)	1.17(1.08,1.26)
		TB-ASM	0.08(0.07,0.10)	0.08(0.07,0.10)	0.08(0.07,0.10)
		TB-MEAN	0.02(0.02,0.03)	0.02(0.02,0.03)	0.02(0.02,0.03)
TC	RGB	TC-R	152.00(17.65)	149.56(17.84)	152.44(16.62)
		TC-G	115.00(103.00,126.00)	114.50(103.00,127.00)	114.00(104.00,126.00)
		TC-B	120.00(106.00,134.00)	118.00(105.25,135.00)	121.00(109.00,138.00)
	YCrCb	TC-Y	124.63(115.36,134.38)	123.65(113.84,134.00)	124.44(116.39,134.07)
		TC-Cr	143.88(141.46,146.59)	143.15(140.51,145.71)	143.95(140.29,147.04)
		TC-Cb	123.25(121.65,126.17)	123.25(121.64,128.76)	123.76(121.83,129.82)
	HSI	TC-H	177.27(167.16,181.53)	177.39(156.48,182.40)	175.23(151.57,180.00)^##
		TC-S	0.12(0.10,0.14)	0.12(0.09,0.14)	0.12(0.10,0.14)
		TC-I	129.00(117.00,140.00)	128.00(115.00,140.00)	129.00(119.00,140.00)
	Lab	TC-L	108.41(104.62,112.06)	108.11(104.12,112.09)	108.28(105.06,112.02)
		TC-a	13.10(2.78)	12.71(2.78)	13.27(2.75)
		TC-b	3.17(0.03,4.86)	3.22(-1.97,4.95)	2.63(−3.34,4.68)
	Area index	perAll	0.50(0.41,0.67)	0.53(0.41,0.76)	0.49(0.38,0.79)
		perPart	1.11(1.04,1.25)	1.08(1.03,1.22)	1.10(1.02,1.21)
	Texture index	TC-CON	82.23(57.65,115.59)	88.97(58.76,125.73)	82.58(56.88,114.81)
		TC-ENT	1.25(1.16,1.32)	1.27(1.17,1.34)	1.25(1.16,1.33)
		TC-ASM	0.07(0.06,0.08)	0.07(0.06,0.08)	0.07(0.06,0.09)
		TC-MEAN	0.03(0.02,0.03)	0.03(0.02,0.03)	0.03(0.02,0.03)

Vs. healthy controls, , vs. healthy controls, , vs. subhealth fatigue, ^#, vs. subhealth fatigue group, ^##.