Table 2.

Endoscopic Meltzer Scoring in Control and Intervention Groups

	Placebo group		Vit.D tablet group		p-value (diff CI)
	MEAN	SD	MEAN	SD
Pre-OP Meltzer score*	3.75	0.55	3.40	0.75	0.16 (-0.07-0.77)
Post-OP Meltzer score month 1**	0.30	0.47	0.00	0.00	0.11 (0.08-0.51)
Post-OP Meltzer score month 3#	1.35	0.93	0.20	0.41	< 0.001 (0.68-1.61)
Post-OP Meltzer score month 6##	2.65	0.93	0.50	0.60	< 0.001(1.64-2.65)

*t: 1.67, df:38, **t:2.85, df:38, #t: 5.04, df:38, ##t:8.63, df:38