Table 2 Relationship between patient clinical characteristics and IMA vascular patterns in the surgical video group.
|  | Type 1A (n = 94) | Type 1B (n = 61) | Type 1C (n = 7) | Type 2 (n = 27) | Type 3 (n = 11) | p value |
|---|---|---|---|---|---|---|
Age, years | 51 (45–86) | 67 (54–69) | 59 (55–62) | 58 (49–71) | 66 (62–74) | 0.729 |
Sex ratio (male/female) | 53/41 | 38/23 | 2/5 | 17/10 | 3/8 | 0.166 |
BMI, kg/m2 | 22.03 ± 3.86 | 20.18 ± 3.02 | 24.26 ± 2.09 | 28.78 ± 1.99 | 22.92 ± 1.29 | 0.872 |
ASA score | 2.07 ± 0.26 | 2.21 ± 0.47 | 2.75 ± 0.50 | 2.26 ± 0.45 | 2.50 ± 0.58 | 0.102 |
AJCC TNM stage | 0.536 | |||||
 0 | 2 | 4 | 0 | 2 | 1 |  |
 I | 11 | 12 | 2 | 2 | 3 | |
 IIA, IIB, IIC | 47 | 29 | 3 | 5 | 4 | |
 IIIA, IIIB, IIIC | 33 | 13 | 1 | 14 | 3 | |
 IV | 1 | 3 | 1 | 4 | 0 | |
Operative time, min | 210 ± 66 | 211 ± 65 | 218 ± 64 | 198 ± 40 | 176 ± 50 | 0.784 |
Location of the main tumour | 0.219 | |||||
 Descending colon | 4 | 4 | 1 | 3 | 0 | |
 Sigmoid colon | 20 | 21 | 3 | 5 | 4 | |
 Rectum | 70 | 36 | 3 | 19 | 7 | |
