Table 2 Baseline data of patients with different IMA classifications
Parameter | Type I IMA (n=54) | Type II IMA (n=17) | Type III IMA (n=21) | X2/F | P |
|---|---|---|---|---|---|
Sex | 0.670 | 0.967 | |||
Male, n (%) | 37 (68.52) | 12 (70.59) | 14 (66.67) | ||
Female, n (%) | 17 (31.48) | 5 (29.41) | 7 (33.33) | ||
Age, mean ± SD (years) | 68.63±9.87 | 68.24±7.65 | 63.57±11.42 | 2.052 | 0.135 |
Body mass index(kg/m2) | 24.51±4.03 | 23.50±3.06 | 23.06±2.80 | 1.396 | 0.253 |
The distance from the tumor to the anus(cm) | 9.31±3.75 | 9.94±3.60 | 11.10±3.25 | 1.863 | 0.161 |