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Table 2 Meibomian Gland Parameters of Groups with Different Meiboscore

From: Changes in ocular surface and Meibomian gland after penetrating Keratoplasty

  Group 1 Group 2 P
Value P
(vs Baseline)
Value P
(vs Baseline)
Meibomian gland expressibility (0–3)
 Baseline 1.2 ± 0.9   1.7 ± 0.8   0.198
 1 week 1.7 ± 0.9 0.046a 2.0 ± 1.0 0.356 0.494
 1 month 1.7 ± 1.0 0.095 1.4 ± 0.8 0.356 0.536
 6 months 1.7 ± 0.9 0.149 2.7 ± 0.5 0.038a 0.006b
 12 months 1.4 ± 1.0 0.455 2.6 ± 1.1 0.048a 0.02b
Meibum quality (0–24)
 Baseline 7.9 ± 7.2   11.0 ± 6.2   0.325
 1 week 11.5 ± 6.0 0.021a 10.9 ± 4.8 0.915 0.796
 1 month 11.5 ± 6.0 0.034a 9.7 ± 5.3 0.580 0.611
 6 months 7.9 ± 4.1 0.970 18.4 ± 5.0 0.045a 0.001b
 12 months 11.4 ± 4.7 0.086 15.7 ± 5.8 0.168 0.07
  1. Group 1, meiboscore 0–1; Group 2, meiboscore 2–3
  2. Results are expressed as mean ± SD
  3. aStatistical significance (P < 0.05) between baseline and follow up period in each group
  4. bStatistical significance (P < 0.05) between two groups at each time point
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