Table 2

Comparison of follow-up data among groups of different donor sites

Lower lipUpper lipBuccal mucosaP value
Number of eyes1251
3 months follow-up
  Schirmer test4 (1–6) mm5 (2.5–6.5) mm2 mm0.654
  FL10 (10–12)10 (7–11)80.158
  TBUT0 (0–0) s0 (0–0) s0 s0.779
  BCVA0.1 (0.01–0.4)0.05 (0.02–0.6)0.080.955
Long-term follow-up*
  Schirmer test3 (1–5) mm7 (2.5–7.5) mm2 mm0.406
  FL10 (8–12)8 (8–11)80.641
  TBUT0 (0–0) s0 (0–0) s0 s1
  BCVA0.1 (0.01–0.4)0.05 (0.03–0.6)0.050.915
  Relief of DED symptoms54.5%†80%00.296
  • Continuous variables were shown as median (IQR).

  • *One eye of the lower lip group was lost to follow-up after 3 months.

  • †Only the right eye was included in the patient undergoing bilateral surgeries.

  • BCVA, best-corrected visual acuity; DED, dry eye disease; FL, corneal fluorescein staining score; TBUT, the value of break-up time of tear-film.