Multicentre cohort study of the impact of percutaneous coronary intervention on patients with concurrent cancer and ischaemic heart disease.

After propensity score matching, PCI + group patients with colorectal cancer had a significantly better prognosis (log-rank test, P = 0.043), while those with gastric cancer showed a trend toward improvement (log-rank test, P = 0.093) despite the relatively small number of patients (n = 157 and n = 106, respectively) (Fig. 3 ).

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Results meeting a 2-tailed P < 0.05 were considered statistically significant, and P < 0.1 was used to indicate a trend towards significance.

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