Table 1.
Prevalence of MGD by age and gender
| Total study subjects | Total MGDa | Symptomatic MGD | |||
|---|---|---|---|---|---|
|
|
|
||||
| n (%) | 95% CI | n (%) | 95% CI | ||
| Overall | 113 | 65 (57.5) | (48.3-66.8) | 48 (42.5) | (33.2-51.7) |
| Age groups (years) | |||||
| ≤29 | 25 | 10 (40) | (19.4-60.6) | 9 (36) | (15.8-56.2) |
| 30-39 | 20 | 6 (30) | (8-52) | 5 (25) | (4.2-45.8) |
| 40-49 | 40 | 23 (57.5) | (41.5-73.5) | 15 (37.5) | (19.6-50.4) |
| ≥50 | 28 | 26 (92.9) | (82.7-103) P<0.001 |
19 (67.8) | (53.6-89.3) P=0.004 |
| Male | 62 | 36 (58.1) | (45.4, 70.7) | 24 (38.7) | (26.2-51.1) |
| Age groups (years) | |||||
| ≤29 | 11 | 4 (36.4) | (2.5, 70.3) | 3 (27.3) | (4.1-58.7) |
| 30-39 | 13 | 4 (30.8) | (1.7, 59.8) | 4 (30.8) | (1.7-59.8) |
| 40-49 | 20 | 11 (55) | (31.1, 78.9) | 6 (30) | (4.2-45.8) |
| ≥50 | 18 | 17 (94.4) | (82.8, 106.2) P=0.001 |
11 (61.1) | (42.5-90.8) P=0.037 |
| Female | 51 | 37 (56.9) | (42.8, 70.9) | 24 (47.1) | (32.9-61.2) |
| Age groups (years) | |||||
| ≤29 | 14 | 8 (57.1) | (43.2, 73.5) | 6 (42.9) | (13.2-72.5) |
| 30-39 | 7 | 2 (28.6) | (16.5, 73.7) | 1 (14.3) | (20.6-49.2) |
| 40-49 | 20 | 12 (60) | (36.5, 83.5) | 9 (45) | (21.1-68.9) |
| ≥50 | 10 | 9 (90) | (67.4, 112.6) P=0.047 |
8 (80) | (49.8-110.1) P=0.057 |
CI=confidence interval, MGD=meibomian gland dysfunction aTotal MGD included both asymptomatic and symptomatic MGD cases P<0.05 are in bold