Supplementary Table 1.Protocol of laparoscopic nerve-sparing radical hysterectomy

Structure / Extent of resection or preservation of autonomic nerves
Uterine artery / Right / □ transected in the middle between the uterus and the internal iliac artery / □ transected near the internal iliac artery
Left / □ transected in the middle between the uterus and the internal iliac artery / □ transected near the internal iliac artery
Anterior leaf of the vesicouterine ligament / Right / □ incompletely separated / □ completely separated
Left / □ incompletely separated / □ completely separated
Posterior leaf of the vesicouterine ligament / Right / □ transected in the middle between the uterus and the bladder / □ transected near the bladder
Left / □ transected in the middle between the uterus and the bladder / □ transected near the bladder
Deep uterine vein / Right / □ transected in the middle between the uterus and the internal iliac vein / □ transected near the internal iliac vein
Left / □ transected in the middle between the uterus and the internal iliac vein / □ transected near the internal iliac vein
Uterosacral ligament / Right / □ transected in the middle between the uterus and the rectum / □ transected near the rectum
Left / □ transected in the middle between the uterus and the rectum / □ transected near the rectum

-Supplementary Table 1 continued

Structure / Extent of resection or preservation of autonomic nerves
Paracolpium / Right / □transected near S-V junction / □transected near the lower margin of the resected vagina
Left / □ transected near S-V junction / □ transected near the lower margin of the resected vagina
Length of the resected vagina / Right / ( ) cm
Left / ( ) cm
Lymphadenectomy / □ pelvic only / □ pelvic and para-aortic
H-S junction / Right / □ not identified / □ identified, and preserved with thermal damage / □ identified, and preserved without thermal damage
Left / □ not identified / □ identified, and preserved with thermal damage / □ identified, and preserved without thermal damage
S-V junction / Right / □ not identified / □ identified, and preserved with thermal damage / □ identified, and preserved without thermal damage
Left / □ not identified / □ identified, and preserved with thermal damage / □ identified, and preserved without thermal damage

Abbreviations; H-S junction, junction between the hypogastric and the splanchnic nerves; S-V junction, junction between the splanchnic nerve and the vesical branch of the pelvic plexus.