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Table 3 Proportion of EIN and IN failure stratified by ACI before and after IPTW

From: Necessity of external iliac lymph nodes and inguinal nodes radiation in rectal cancer with anal canal involvement

 

Unweighted population

Weighted population (IPTW)

 

Rb group, n (%)

P group, n (%)

p

Rb group, %

P group, %

p

Failure

66

26

    

EIN (%)

2 (3.0)

2 (7.7)

0.316

2.6

9.0

0.058

IN(%)

2 (3.0)

7 (26.9)

0.002

2.9

26.9

0.000

  1. IPTW inverse probability of treatment weighting, EIN external iliac lymph nodes, IN inguinal nodes