Comparison of Tubal Sterilization Procedures Performed by Keyless Abdominal Rope-Lifting Surgery and Conventional CO₂ Laparoscopy: A Case Controlled Clinical Study

Table 2

The intraoperative and postoperative findings of the study according to the operative techniques. The data was presented with mean ± standard deviation values.

Parameter	KARS (𝑛=33)	CO2 laparoscopy (𝑛=38)	P value
Mean operation duration (min)	27.76±12.62	22.42±6.55	0.114**
Mean abdominal cavity access time (min)	15.45±6.71	11.71±2.95	0.016**
Mean final hemoglobulin (gr/dL)	11.64±1.29	11.67±1.21	0.909*
Mean final hematocrit (%)	34.70±3.30	34.79±3.15	0.912**
Mean hemoglobulin drop (gr/dL)	0.95±0.54	0.90±0.53	0.672*
Mean hematocrit drop (%)	3.02±1.67	2.81±1.67	0.606*
Mean postoperative hospital stay (days)	0.39±0.50	0.52±0.56	0.293*

∗Student’s 𝑡-test (used for normal distribution), ∗∗Mann Whitney 𝑈 test (used for nonnormal distribution), KARS: Keyless Abdominal Rope-lifting Surgery.
CO₂ laparoscopy: conventional multiport laparoscopy performed following the creation of pneumoperitoneum, italic 𝑃 values indicated the significant values.