Laparoendoscopic single-site surgery (LESS) versus conventional laparoscopic surgery for adnexal preservation: a randomized controlled study

Figures & data

Figure 1 Laparoendoscopic single-site surgery (LESS) for adnexal preservation (intraoperative view).

Table 1 Demographic data of patients

Characteristics	Laparoendoscopic single-site surgery (n = 33)	Conventional laparoscopic surgery (n = 30)	P-value
Age (years)	29.5 ± 6.2	31.1 ± 7.2	NS
Gravidity (n)	0.9 ± 1.5	0.8 ± 1.3	NS
Parity (n)	0.3 ± 0.8	0.5 ± 0.8	NS
Body mass index (kg/m^2)	21.4 ± 3.2	22.5 ± 3.3	NS
Largest diameter of adnexal mass (cm)	6.6 ± 1.6	7.0 ± 1.7	NS
Pathologic findings (n)			NS
Mature cystic teratoma	22 (66.7%)	19 (63.3%)
Serous cystadenoma	4 (12.1%)	5 (16.7%)
Mucinous cystadenoma	3 (9.1%)	2 (6.7%)
Paratubal cyst	4 (12.1%)	4 (13.3%)
History of previous abdominopelvic surgery	4 (12.1%)	5 (16.7%)	NS

Table 2 Perioperative outcomes of the patients

Variables	Laparoendoscopic single-site surgery (n = 33)	Conventional laparoscopic surgery (n = 30)	P-value
Operation time, min	42.1 ± 18.2	36.3 ± 15.0	NS
Conversion to laparotomy	0 (0%)	0 (0%)	NS
Preoperative Hb level, g/dL	12.1 ± 0.8	12.6 ± 0.8	NS
Hemoglobin drop, g/dL	2.0 ± 0.7	1.7 ± 0.6	0.048
Postoperative complications	2 (6.1%)	0 (0%)	NS
Paralytic ileus	1	0	NS
Delayed ovarian bleeding	1	0	NS

Abbreviation: Hb, hemoglobin.

Table 3 Pain and convalescent outcomes

Variables	Laparoendoscopic single-site surgery (n = 33)	Conventional laparoscopic surgery (n = 30)	P-value
VAS score after 6 hours	4.5 ± 2.1	4.3 ± 2.1	NS
VAS score after 24 hours	3.3 ± 1.9	3.5 ± 2.0	NS
VAS score after 48 hours	2.3 ± 1.4	2.2 ± 1.6	NS
Required intramuscular analgesic dose within 24 hours	0.4 ± 0.7	0.3 ± 0.5	NS
Required oral analgesic dose	1.9 ± 3.5	1.9 ± 4.0	NS
Days on oral analgesic use after discharge	1.3 ± 1.8	0.9 ± 1.5	NS
Days to return to work	7.4 ± 3.8	6.4 ± 3.5	NS
Patient-reported scar satisfaction scale (1–5 scale)	4.2 ± 1.0 (2–5, median 5.0)	4.6 ± 1.0 (2–5, median 5.0)	NS
Percentage that would recommend to a friend or family member	100%	96.7%	NS

Abbreviation: VAS, visual analog scale.