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Table 2 Oncological results

From: Dentate line invasion is a risk factor for locoregional recurrence and distant metastasis following abdominoperineal resection in rectal cancer: a single-centre retrospective cohort study based on 1854 cases

Variable

Total (n = 1854)

DLI(n = 336)

Non-DLI(n = 1518)

p value

Follow-up in months, mean (SD)

92.9 ± 51.5

89.59 ± 53.7

93.7 ± 51.0

0.209

5-year overall survival, %

92.0%

(90.5 − 93.4%)

89.0%

(85.0 − 93.0%)

92.6%

(91.1 − 94.2%)

0.064

5-year disease-free survival, %

67.3%

(64.7 − 69.9%)

51.2%

(44.4 − 57.9%)

70.7%

(67.9 − 73.5%)

<0.001*

5-year distant relapse-free survival, %

71.2%

(68.5 − 73.8%)

57.4%

(50.3 − 64.5%)

73.9%

(71.1 -76.6%)

<0.001*

5-year local recurrence-free survival, %

85.8%

(83.6 − 88.0%)

71.7%

(64.5 − 79.0%)

88.5%

(86.3 − 90.7%)

0.018*

  1. DLI = dentate line invasion
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BMC Cancer

ISSN: 1471-2407

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