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. 2018 Sep 18;11(9):1496–1502. doi: 10.18240/ijo.2018.09.11

Table 1. Demographics of the study groups.

Variables Obstructive MGD EDE Non-obstructive MGD EDE P
No. of eyes 58.3 (81) 41.7 (58) -
Age, y (range) 53 (36.5-60) 34 (28-42.5) ≤0.001a
Sex 0.115
 Male 38.3 (31) 51.7 (30)
 Female 61.7 (50) 48.3 (28)

aIn comparisons between the non-obstructive MGD EDE and obstructive MGD EDE groups, P<0.05 indicates a statistically significant difference. For age, we used the Mann-Whitney U test. For the numbers of eyes and sex, we used the χ2 test. MGD: Meibomian gland dysfunction; EDE: Evaporative dry eye; LLT: Lipid layer thickness.

n (%)