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The Log-rank test showed that the survival times were significantly shorter in patients with positive YKL-40 intratumoral staining (55.13 months.95%CI.: 49.69 to 60.58 months) than those with negative YKL-40 intratumoral staining (65.78 months, 95%CI: 60.17 to 71.40 months) (P = 0.014).
