Table 2.

Comparison between the open and endoscopic surgeries regarding the FSS scores as to the evaluated time periods.

	Mean – open	Mean – endoscopic	Interpretation at the level of 0.5%
Preoperative period	26.15	27.85	No difference between the means
2 weeks	20.11	23.44	No difference between the means
1 month	19.53	21.15	No difference between the means
3 months	16.50	18.90	No difference between the means
6 months	12.78	17.33	No difference between the means