Table 1.
Comparison of Baseline Characteristics of Participants and Nonparticipants in This Study
| Parameter | Nonparticipants (n = 1139) | Participants (n = 5184) | P Value |
|---|---|---|---|
| Age (IR), years | 51.0 (39.0, 61.0) | 52.0 (42.0, 58.0) | 0.761† |
| Gender | |||
| Male (%) | 537 (47.1) | 2327 (44.9) | 0.166‡ |
| Female (%) | 602 (52.9) | 2857 (55.1) | |
| BCVA (IR) | 0.10 (0.00, 0.20) | 0.10 (0.00, 0.10) | <0.001† |
| IOP (IR), mm Hg | 15.3 (13.0, 17.3) | 15.0 (13.0, 17.0) | 0.090† |
| Central ACD (IR), mm | 2.76 (2.42, 3.06) | 2.73 (2.44, 3.01) | 0.090† |
| LT (IR), mm | 4.63 (4.30, 4.96) | 4.69 (4.39, 4.98) | <0.001† |
| AL (IR), mm | 22.81 (22.32, 23.34) | 22.79 (22.27, 23.28) | 0.106† |
| VCDR (IR) | 0.40 (0.40, 0.50) | 0.40 (0.40, 0.40) | 0.012† |
| BMI (IR), kg/m2 | 23.67 (21.64, 26.42) | 24.22 (22.10, 26.44) | 0.001† |
| WHR (IR) | 0.90 (0.86, 0.94) | 0.90 (0.87, 0.93) | 0.142† |
| MBP (IR), mm Hg | 95.3 (86.0, 104.7) | 96.3 (87.5, 106.3) | 0.008† |
| FPG, mmol/L | 5.53 (5.20, 5.94) | 5.51 (5.18, 5.93) | 0.387† |
| TC (IR), mmol/L | 4.51 (3.92, 5.20) | 4.51 (3.95, 5.15) | 0.883† |
| TGs (IR), mmol/L | 1.23 (0.90, 1.81) | 1.25 (0.88, 1.81) | 0.987† |
| LDL-C (IR), mmol/L | 2.65 (2.25, 3.13) | 2.65 (2.26, 3.08) | 0.909† |
| HDL-C (IR), mmol/L | 1.24 (1.09, 1.42) | 1.25 (1.09, 1.43) | 0.749† |
BCVA, best corrected visual acuity; IOP, intraocular pressure; ACD, anterior chamber depth; LT, lens thickness; AL, axial length; VCDR, vertical cup disc ratio; BMI, body mass index; WHR, waist hip ratio; MBP, mean blood pressure; FPG, fasting plasma glucose; TC, total cholesterol; TGs, total triglycerides; LDL-C, low-density lipoprotein cholesterol; HDL-C, high-density lipoprotein cholesterol; BP, blood pressure; WC, waist circumference; IR, interquartile range.
†
Mann-Whitney U test.
‡
χ2 test.