Applications of gray relational analysis in gastroenterology

Table 5 Raw data in four groups.

Group (i) k	n	n	Disappearance of symptoms		Eradication of H pylori		Active mucitis fading		Ulcer cure
			Rate (%) (1)	Time (d) (2)	n	Rate (%) (3)	n	Rate (%) (4)	n	Rate (%) (5)
A (x1)	14	14	100	3.8	11	78.6	9/13	69.2	12	85.7
B (x2)	15	15	100	3.6	10	66.7	9/13	69.2	11	73.3
C (x3)	14	10	71.4a	6.8	11	78.6	9/12	75	9	64.3
D (x4)	15	15	100	3.7	2	13.3b	3/12	25	9	60
Ideal (x0)			100	3.6		78.6		75		85.7

^aP<0.05,

^bP<0.01 vs other groups; i=A, B, C, D=1, 2, 3, 4; k=1, 2, 3, 4, 5.