Table 3 Univariate and multivariate analyses for uniEPMR.

From: Risk factors of unintentional piecemeal resection in endoscopic mucosal resection for colorectal polyps ≥ 10 mm

 

Univariate analysis

Multivariate analysis

Crude OR

95% CI

p-value†

Adjusted OR

95% CI

p-value†

Lesion size

 20–29 mm vs. 10–19 mm

3.05

2.21–4.21

 < 0.0001

2.52

1.82–3.49

 < 0.0001

 30 mm- vs. 10–19 mm

14.71

7.65–28.29

 < 0.0001

11.83

6.80–20.60

 < 0.0001

Specialist

0.99

0.77–1.28

0.9503

1.31

0.98–1.76

0.0713

Experienced cases

 60–150 cases vs. 0–50 cases

1.02

0.64–1.64

0.9229

0.68

0.41–1.14

0.1462

 160–250 cases vs. 0–50 cases

0.71

0.43–1.16

0.1727

0.43

0.25–0.74

0.0025

 260 cases vs. 0–50 cases

1

0.65–1.54

0.9825

0.75

0.47–1.22

0.2535

Lesions on the folds

4.79

3.38–6.79

 < 0.0001

3.39

2.52–4.55

 < 0.0001

Non-polypoid lesion

4.37

3.08–6.20

 < 0.0001

3.06

2.25–4.14

 < 0.0001

Histological diagnosis

 IMC vs. adenoma

1.97

1.45–2.67

 < 0.0001

1.62

1.15–2.29

0.0058

 SM-invasive cancer vs. adenoma

2.05

1.27–3.31

0.0034

1.63

0.95–2.81

0.0765

Localization of the lesions

 C vs. S

4.63

2.88–7.45

 < 0.0001

2.72

1.64–4.51

0.0001

 A vs. S

2.43

1.68–3.54

 < 0.0001

1.49

0.98–2.27

0.0592

 T vs. S

2.54

1.71–3.77

 < 0.0001

1.77

1.16–2.71

0.008

 D vs. S

1.79

1.04–3.10

0.0363

1.5

0.81–2.78

0.1977

 R vs. S

2.1

1.38–3.20

0.0005

2.05

1.31–3.20

0.0017

  1. OR, odds ratio; CI, confidence interval; uniEPMR, unintentional EPMR; IMC, intramucosal carcinoma; SM, submucosal layer; C, cecum; A, ascending colon; T, transverse colon; D, descending colon; S, sigmoid colon; R, rectum.
  2. Logistic regression analysis.