Table 3: Subgroup analysis for resection velocity.

SubgroupVelocity, min/cm2 value

Case  1~40/case  41~509.8/9.660.96
Case  1~20/case  21~5011.26/8.790.32
Rectum/nonrectum12.98/8.270.11
G/NG7.73/10.950.39

G: granular; NG: nongranular.