Predictors of poor outcome in gastrointestinal bleeding in emergency department

Table 1 Demographic and clinical characteristics of patients

Characteristic	n
Sex
Male	369
Female	231
Admission symptoms
Melena	423
Hematemesis	142
Hematochezia	76
Syncope	34
Systolic blood pressure (mmHg)
< 90	26
90-139	546
≥ 140	28
Diastolic blood pressure (mmHg)
< 60	55
60-89	539
≥ 90	6
Heart rate (bpm)
< 60	2
60-100	448
> 100	150
Respiratory rate (rpm)
12-20	545
> 20	55
Oxygen saturation (%)
< 92	14
≥ 92	586
Glasgow coma score
< 15	21
15	579

Mean values: Blood pressure, 82.8 ± 13.1 mmHg; Systolic blood pressure, 110.2 ± 18.2 mmHg; Diastolic blood pressure, 69.2 ± 11.8 mmHg; Heart rate, 92.7 ± 18.37 bpm; Respiratory rate, 18.2 ± 2.6 rpm; SaO₂, 95.15% ± 1.66%; Glasgow coma score, 14.93 ± 0.45.