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Table 3 Fisher’s p-values and reported phi-coefficients associated with tests of the zero-order relationships between delayed bleeding and the variables

From: The effect of prophylactic hemoclips on the risk of delayed post-endoscopic mucosal resection bleed for upper and lower gastrointestinal lesions: a retrospective cohort study

Variable

Fisher’s exact p-value

phi-coefficient (Φ)

Clip use

0.204 (one-sided)

−0.042

Lesion size (<  20 mm versus ≥20 mm)

0.045

0.079

Lesion location (upper versus lower GI)

0.054

−0.080

Aspirin Use

1.00

−0.005

NSAID use

1.00

−0.013

Coagulant use

0.017

0.129

Anti-platelet use

0.463

0.021

HTN

1.00

0.003

DM

1.00

−0.002

CAD

0.416

0.036

CVA

1.00

−0.030

Cirrhosis

1.00

−0.025

ESRD

0.222

0.060

Age at diagnosis (<  75 versus ≥75)

0.346

0.042

Ablation

0.036

0.464

Piecemeal resection

0.093

0.018

Adenoma (colon)

1.000

0.011

Hyperplastic (colon)

0.388

0.036

Serrated adenoma (colon)

0.488

−0.046

Adenocarcinoma (colon)

0.231

0.055