Table 2.

Association of risk factors and forest classification with outcome variables

Variables	Total, n (%)	Hospital stay in days		Mortality in 7 d		Mortality in 30 d		Re-bleed in 24 h		Re-current bleed in 7 d
		≤ 5 (n = 104)	> 5 (n = 38)	No (n = 127)	Yes (n = 15)	No (n = 121)	Yes (n = 21)	No (n = 122)	Yes (n = 20)	No (n = 116)	Yes (n = 26)
Smoking
Yes	31 (21.8)	24 (77.4)	7 (22.6)	29 (93.5)	2 (6.5)	29 (93.5)	2 (6.5)	27 (87.1)	4 (12.9)	26 (83.9)	5 (16.1)
No	111 (78.2)	80 (72.1)	31 (27.9)	98 (88.3)	13 (11.7)	92 (82.9)	19 (17.1)	95 (85.6)	16 (14.4)	90 (81.1)	21 (18.9)
Steroids
Yes	8 (5.6)	7 (87.5)	1 (12.5)	7 (87.5)	1 (12.5)	7 (87.5)	1 (12.5)	7 (87.5)	1 (12.5)	7 (87.5)	1 (12.5)
No	134 (94.4)	97 (72.4)	37 (27.6)	120 (89.6)	14 (10.4)	114 (85.1)	20 (14.9)	115 (85.8)	19 (14.2)	109 (81.3)	25 (18.7)
H. pylori
Yes	26 (18.3)	20 (76.9)	6 (23.1)	24 (92.3)	2 (7.7)	23 (88.5)	3 (11.5)	22 (84.6)	4 (15.4)	20 (76.9)	6 (23.1)
No	116 (81.7)	84 (72.4)	32 (27.6)	103 (88.8)	13 (11.2)	98 (84.5)	18 (15.5)	100 (86.2)	16 (13.8)	96 (82.8)	20 (17.2)
Antiplatele
Yes	47 (33.1)	34 (72.3)	13 (27.7)	37 (78.7)	10 (21.3)b	36 (76.6)	11 (23.4)a	37 (78.7)	10 (21.3)	35 (74.5)	12 (25.5)
No	95 (66.9)	70 (73.7)	25 (26.3)	90 (94.7)	5 (5.3)	85 (89.5)	10 (10.5)	85 (89.5)	10 (10.5)	81 (85.3)	14 (14.7)
Alternative medications
Yes	56 (39.4)	39 (69.6)	17 (30.4)	47 (83.9)	9 (16.1)	44 (78.6)	12 (21.4)	44 (78.6)	12 (21.4)a	43 (76.8)	13 (23.2)
No	86 (60.6)	65 (75.6)	21 (24.4)	80 (93.0)	6 (7.0)	77 (89.5)	9 (10.5)	78 (90.7)	8 (9.3)	73 (84.9)	13 (15.1)
Forrest classification
I	18 (12.7)	10 (55.6)	8 (44.4)	18 (100.0)	0	17 (94.4)	1 (5.6)	13 (72.2)	5 (27.8)	11 (61.1)	7 (38.9)a
II	21 (14.8)	14 (66.7)	7 (33.3)	18 (85.7)	3 (14.3)	17 (81.0)	4 (19.0)	17 (81.0)	4 (19.0)	16 (76.2)	5 (23.8)
III	103 (72.5)	80 (77.7)	23 (22.3)	91 (88.3)	12 (11.7)	87 (84.5)	16 (15.5)	92 (89.3)	11 (10.7)	89 (86.4)	14 (13.6)

^a P < 0.05.

^b P < 0.01.

n (%) are reported. P value was calculated by Chi-square/Fisher Exact test. H. pylori: Helicobacter pylori.