Table 3.

League table of network meta-analysis for operative time among three endoscopic techniques

	Delta	UBE	PE
Delta	–	16.09 (1.98, 30.21), p = 0.025	26.14 (11.81, 40.47), p < 0.001
UBE	− 16.09 (− 30.21, − 1.98), p = 0.025	–	10.05 (4.39, 15.71), p < 0.001
PE	− 26.14 (− 40.47, − 11.81), p < 0.001	− 10.05 (− 15.71, − 4.39), p < 0.001	–

Statistical significance was defined as a two-sided P value < 0.05