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Table 4 Subgroup multivariate analysis of clinicopathologic factors related to disease-free and overall survival for the neoadjuvant chemoradiotherapy (NACRT) group, with a new LN cut-off of 9

From: A lower cut-off for lymph node harvest predicts for poorer overall survival after rectal surgery post neoadjuvant chemoradiotherapy

VariablesCategoryN = 94Disease-free survivalOverall survival
Median ± SD (months)P valueMedian ± SD (months)P value
Age at diagnosis (years)< 50782 ± 380.23691 ± 350.082
50–644465 ± 4172 ± 40
65–742663 ± 4067 ± 36
> 751762 ± 3364 ± 38
GenderMale6864 ± 350.77068 ± 400.835
Female2672 ± 3674 ± 38
Type of operationUltra-low anterior resection5156 ± 350.83860 ± 410.907
Low anterior resection1667 ± 4072 ± 40
Hartmann’s procedure457 ± 4161 ± 37
Abdominoperineal resection2374 ± 3960 ± 36
Tumour stagingStage 11882 ± 400.00886 ± 350.012
Stage 23264 ± 3760 ± 37
Stage 34453 ± 3757 ± 38
Lymph node harvest< 92152 ± 360.02855 ± 390.009
≥ 97363 ± 4572 ± 40