Table 2 Eyelid parameters including MRD1 and LFT according to age group
From: Blepharoptosis among Korean adults: age-related prevalence and threshold age for evaluation
Number | Age group | |||||||
|---|---|---|---|---|---|---|---|---|
< 30 | 30–39 | 40–49 | 50–59 | 60–69 | 70–79 | ≥80 | ||
2072 | 3248 | 3133 | 3421 | 3066 | 2399 | 539 | ||
Right MRD1% (SEa) | ≥ 4 mm | 52.36 (2.08) | 52.13 (1.78) | 46.45 (1.85) | 32.76 (1.66) | 21.69 (1.42) | 11.86 (1.15) | 7.65 (1.71) |
3–3.9 mm | 32.13 (1.70) | 33.97 (1.47) | 34.13 (1.44) | 38.13 (1.44) | 33.74 (1.38) | 28.50 (1.56) | 23.15 (2.30) | |
2–2.9 mm | 12.97 (1.23) | 10.92 (0.98) | 15.65 (1.51) | 20.56 (1.16) | 25.67 (1.20) | 31.03 (1.36) | 30.40 (2.57) | |
1–1.9 mm | 2.08 (0.41) | 2.53 (0.42) | 3.10 (0.41) | 7.05 (0.69) | 13.87 (0.99) | 20.47 (1.22) | 23.11 (2.33) | |
< 1 mm | 0.46 (0.16) | 0.46 (0.15) | 0.68 (0.20) | 1.50 (0.27) | 5.03 (0.64) | 8.15 (0.82) | 15.69 (2.31) | |
Left MRD1% (SE) | ≥ 4 mm | 52.38 (2.06) | 52.21 (1.77) | 46.68 (1.86) | 32.92 (1.67) | 21.49 (1.43) | 11.89 (1.16) | 7.35 (1.70) |
3–3.9 mm | 31.69 (1.68) | 33.39 (1.47) | 34.01 (1.42) | 37.92 (1.39) | 33.78 (1.45) | 28.95 (1.60) | 22.83 (2.32) | |
2–2.9 mm | 13.26 (1.27) | 11.05 (0.98) | 15.34 (1.51) | 20.37 (1.16) | 20.37 (1.21) | 29.95 (1.35) | 29.76 (2.48) | |
1–1.9 mm | 2.33 (0.44) | 2.86 (0.43) | 3.31 (0.44) | 7.48 (0.66) | 13.25 (1.00) | 21.13 (1.29) | 24.15 (2.33) | |
< 1 mm | 0.35 (0.14) | 0.49 (0.15) | 0.58 (0.17) | 1.30 (0.26) | 5.19 (0.67) | 8.08 (0.86) | 15.93 (2.06) | |
Rigth LFT % (SE) | ≥ 12 mm | 81.47 (1.48) | 81.13 (1.44) | 74.31 (1.62) | 63.51 (1.59) | 47.73 (1.73) | 32.50 (1.84) | 23.67 (2.62) |
8–11 mm | 17.86 (1.45) | 17.97 (1.36) | 24.51 (1.58) | 33.70 (1.52) | 45.43 (1.61) | 54.07 (1.81) | 55.22 (2.68) | |
5–7 mm | 0.67 (0.22) | 0.89 (0.34) | 0.95 (0.23) | 2.52 (0.41) | 5.68 (0.67) | 11.84 (1.03) | 16.91 (2.13) | |
< 4 mm | – | 0.02 (0.02) | 0.23 (0.15) | 0.28 (0.15) | 1.17 (0.47) | 1.60 (0.49) | 4.20 (1.73) | |
Left LFT % (SE) | ≥ 12 mm | 81.91 (1.46) | 81.75 (1.43) | 74.92 (1.60) | 64.55 (1.55) | 47.90 (1.75) | 32.68 (1.84) | 23.48 (2.66) |
8–11 mm | 17.35 (1.42) | 17.30 (1.36) | 23.74 (1.56) | 32.29 (1.45) | 45.58 (1.61) | 54.00 (1.73) | 56.10 (2.74) | |
5–7 mm | 0.74 (0.27) | 0.93 (0.34) | 1.11 (0.26) | 2.87 (0.44) | 5.38 (0.67) | 11.89 (1.06) | 15.74 (2.08) | |
< 4 mm | – | 0.02 (0.02) | 0.23 (0.11) | 0.28 (0.15) | 1.14 (0.47) | 1.44 (0.48) | 4.68 (1.77) | |
Blepharoptosis (%) | 2.76 | 3.57 | 4.35 | 9.75 | 20.36 | 31.77 | 41.99 | |