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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

VariableFisher’s exact p-valuephi-coefficient (Φ)
Clip use0.204 (one-sided)−0.042
Lesion size (<  20 mm versus ≥20 mm)0.0450.079
Lesion location (upper versus lower GI)0.054−0.080
Aspirin Use1.00−0.005
NSAID use1.00−0.013
Coagulant use0.0170.129
Anti-platelet use0.4630.021
HTN1.000.003
DM1.00−0.002
CAD0.4160.036
CVA1.00−0.030
Cirrhosis1.00−0.025
ESRD0.2220.060
Age at diagnosis (<  75 versus ≥75)0.3460.042
Ablation0.0360.464
Piecemeal resection0.0930.018
Adenoma (colon)1.0000.011
Hyperplastic (colon)0.3880.036
Serrated adenoma (colon)0.488−0.046
Adenocarcinoma (colon)0.2310.055