a nonsignificant trendP = 0.07
A linear regression analysis was performed using GEEs, and after adjusting for age, sex, inter and intrasubject variability, OSDI score, prior dry eye disease diagnosis, prior keratoconus diagnosis, and the presence of post-lens tear film fogging, there was a nonsignificant trend between recovered leukocytes and total clearance ( P = 0.07).