Table 2

Patient characteristics

Gender (%)
Male to female ratio	65.9:34.1
Age (years)
Mean (SD)/median	65.2 (16.6)/66
Haemodynamic status on admission (%)
Normal (SBP ≥100 mm Hg and HR <100 bpm)	57
Isolated tachycardia (HR ≥100 bpm)	30
70 mm Hg ≥SBP<100 mm Hg	11
50 mm Hg ≥SBP<70 mm Hg	1
<50 mm Hg	1
Admission haemoglobin (%)
>10 g/dL	50
>8.0 g/dL ≤10 g/dL	20.1
>7.0 g/dL ≤8.0 g/dL	11.6
≤7.0 g/dL	18.3
Mean (SD)/median (g/dL)	10.3 (3.2)/10
Admission urea (%)
<3.0 mmol/dL	3.0
≥3.0 mmol/dL <7.0 mmol/dL	20.1
≥7.0 mmol/dL <12.0 mmol/dL	29.0
≥12.0 mmol/dL <20 mmol/dL	32.6
≥20.0 mmol/dL	15.2
Mean (SD)/median (mmol/dL)	12.7 (7.6)/11.3
Medication at presentation (%)
Aspirin	34.5
Clopidogrel	7.3
Oral anticoagulant	8.5
Non-steroidal anti-inflammatory drug	15.9
Proton pump inhibitor or H₂ receptor antagonist	37.2
Comorbidity at presentation (%)
Ischaemic heart disease	16.8
Heart failure	8.8
Malignancy	9.8
Chronic kidney disease	9.1
Chronic liver disease	8.2