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Table 3 Comparison of postoperative OCT data and patient satisfaction between stationary and improved outcome, assessed by Munk scale

From: Evaluation of implanted perforated lacrimal punctal plugs using anterior segment optical coherence tomography

Parameter Munk change P value
Stationary Improved
N = 5 N = 49
Patency
 No 5 (100%) 2 (4.1%) < 0.001*
 Yes 0 (0%) 47 (95.9%)
In place
 No 1 (20%) 5 (10.2%) 0.459
 Yes 4 (80%) 44 (89.8%)
Filling
 No 0 (0%) 47 (95.9%) < 0.001*
 Yes 5 (100%) 2 (4.1%)
Abnormal contents
 No 0 (0%) 47 (95.9%) < 0.001*
 Yes 5 (100%) 2 (4.1%)
Partial occlusion
 No 5 (100%) 47 (95.9%) 1
 Yes 0 (0%) 2 (4.1%)
Postoperative patient's satisfaction
 No 5 (100%) 0 (0%) < 0.001*
 Yes 0 (0%) 49 (100%)
  1. Independent samples t-test for parametric quantitative data between the two groups
  2. Mann Whitney test for non-parametric quantitative data between the two groups
  3. Fisher’s exact test for qualitative data between the two groups
  4. *Significant level at P < 0.05