Table 2. Confidence level questions and results.

Concept and procedures	Average CL*		Relative increase (%)	p-value	95% confidence interval
	Before	After
Port placement & patient positioning	3.36	4.15	23.5	0.079	−1.81, 0.23
Instrument selection & 3rd party products	2.92	3.95	35.3	0.053	−2.09, 0.03
Docking and port placement	3.28	4.20	28.0	0.016	−1.43, −0.42
Robotic hysterectomy	3.53	4.17	18.1	0.086	−1.51, −0.42
Radical hysterectomy	2.26	3.34	47.8	0.011	−1.57, −0.60
Lymph node dissection	2.70	3.59	33.0	0.011	−1.28, −0.48
Robotic omentectomy	2.16	3.02	39.8	0.051	−1.73, 0.01
Uterine manipulators	3.78	4.19	10.8	0.068	−0.90, 0.07
Port placement in obese patients	3.08	4.11	33.4	0.014	−1.56, −0.50
Port placement in thin patients	3.20	4.10	28.1	0.025	−1.51, −0.28
Side docking versus perineal docking	2.86	3.94	37.8	0.016	−1.68, −0.48
Running an efficient operating room	2.84	3.67	29.2	0.030	−1.46, −0.20
Suturing	3.46	4.06	17.3	0.075	−1.34, 0.15
Pelvic vessel sealing	3.29	3.96	20.4	0.018	−1.06, −0.20
Complex cases	2.55	3.35	31.4	0.025	−1.36, −0.24
4th arm utilization	3.13	4.00	27.8	0.010	−1.25, −0.49
Advanced energy use	3.17	3.95	24.6	0.010	−1.10, −0.44
Pelvic lymph node dissection	2.97	3.85	29.6	0.023	−1.47, −0.30
Para-aortic lymph node dissection	2.16	3.29	52.3	0.027	−1.94, −0.31
Complications & management	2.43	3.48	43.2	0.004	−1.34, −0.76
Troubleshooting	2.44	3.79	38.9	0.001	−1.52, −1.20

Bold p-value indicates significance.

^*Confidence level based on 5-point scale.

CL, confidence level.