Endoscopic findings in patients with upper gastrointestinal bleeding clinically classified into three risk groups prior to endoscopy

Table 3 Demographical and clinical characteristics of the UGIB patients according to T-score classes

Variable	T1	T2	T3	P
	(n = 126)	(n = 135)	(n = 175)
Mean age ± SD (yr)	69 ± 13	63 ± 16	64 ± 12	< 0.011
Male sex (%)	66	62	60	NS
Comorbidities (%)	49	20	31	< 0.011
Systolic blood pressure (mmHg)	85 ± 15	106 ± 22	139 ± 37	< 0.012
Hemoglobin level (g/dL)	7.2 ± 1.3	9.7 ± 2.3	13.8 ± 3	< 0.012

¹T1 vs T2 or T3;

²T1 vs T2 or T3 and T2 vs T3.