Table 1. Characteristics of patients with nonvariceal upper gastrointestinal bleeding.

Variable	Total	8 ≤ discharge Hb < 10 (g/dL)	discharge Hb ≥ 10 (g/dL)	P value
No. of patients	102	50	52
Age (years) (mean ± SD)	60.9 ± 16.7	61.0 ± 17.5	60.8 ± 16.0	0.978
Sex (n [%])				0.092
Male	80 (78)	43 (86)	37 (71)
Female	22 (22)	7 (14)	15 (29)
Initial vital sign (mean ± SD)
Systolic blood pressure	111.5 ± 22.1	112.0 ± 22.4	111.0 ± 22.1	0.814
Diastolic blood pressure	68.9 ± 14.6	69.4 ± 14.6	68.5 ± 14.7	0.746
Heart rate	96.7 ± 18.3	97.7 ± 20.0	95.7 ± 16.7	0.586
Presenting symptom (n [%])				0.286
Melena	61 (60)	29 (58)	32 (61)
Hematemesis	28 (27)	15 (30)	13 (25)
Hematochezia	7 (7)	2 (4)	5 (10)
Others	6 (6)	4 (8)	2 (4)

Hb, hemoglobin; SD, standard deviation