highly significantP = 0.0001
LKES in the third postoperative week showed statistically highly significant improvement ( P = 0.0001). 9 However, in the study by Rudmik et al. 16 where dexamethasone eluting spacer was used, endoscopic evaluation in the fourth postoperative week showed no significant difference on LKES between treatment and control group with an equivalent range of 2–10.