Table 2 Logistic regression predicting readmission within a year due to PUB

Age 70 or above^a

2.49 (1.73–3.59)

< 0.001

1.62 (1.06–2.47)

0.025

Endoscopy results: ulcer severity Forrest 1a, 1b, 2a, or 2b^b

1.94 (1.32–2.84)

0.001

2.41 (1.57–3.71)

< 0.001

CCI ≥ 3

3.58 (2.51–5.09)

< 0.001

2.25 (1.45–3.50)

< 0.001

Medical history of peptic ulcers: yes^c

3.72 (2.59–5.36)

< 0.001

3.87 (2.56–5.85)

< 0.001

Medical history of CVD: yes^c

3.24 (2.28–4.61)

< 0.001

2.31 (1.53–3.50)

< 0.001

Medical history of CKD: yes^c

2.51 (1.62–3.89)

< 0.001

1.41 (0.79–2.54)

0.248

Pre-admission blood test result: PT > 14.5 s

1.51 (1.07–2.13)

0.020

0.76 (0.46–1.26)

0.288

Pre-admission blood test result: INR > 1.2

2.07 (1.45–2.97)

< 0.001

2.14 (1.28–3.57)

0.004

Pre-admission blood test result: Hgb < 10 g/dL

1.83 (1.28–2.63)

0.001

1.43 (0.72–2.83)

0.304

Pre-admission blood test result: Hct < 31.5%

1.97 (1.33–2.92)

0.001

1.19 (0.56–2.50)

0.652

Pre-admission blood test result: Cr > 1.3 mg/dL

1.57 (1.11–2.21)

0.010

0.85 (0.54–1.34)

0.483