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, %
Failure
66
26
EIN (%)
2 (3.0)
2 (7.7)
0.316
2.6
9.0
0.058
IN(%)
7 (26.9)
0.002
2.9
26.9
0.000