Table 1 of
Altankhuyag, Mol Vis 2024; 30:320-335. Table 1 of
Altankhuyag, Mol Vis 2024; 30:320-335.
Table 1. Baseline characteristics of the groups.
| Characteristics | Case (n=161) | Control (n=223) | p value |
|---|---|---|---|
| Age (years) | 75.75±6.39 | 74.28±9.35 | 0.087a |
| Gender | |||
| Female | 96 (59.63) | 131 (58.74) | 0.862b |
| Male | 65 (40.37) | 92 (41.26) | |
| BMI (kg/m2) | 25.81±5.78 | 26.1±3.83 | 0.559a |
| Education | |||
| Primary education | 11 (6.83) | 24 (10.76) | 0.268b |
| Secondary education or college/senior | 86 (53.42) | 104 (46.64) | |
| Tertiary education | 64 (39.75) | 95 (42.6) | |
| Occupational condition/work outside | |||
| Yes | 41 (25.47) | 65 (29.15) | 0.426b |
| No | 120 (74.53) | 158 (70.85) | |
| Living residence | |||
| Ger (traditional home) | 81 (50.31) | 124 (55.61) | 0.305b |
| Apartment | 80 (49.69) | 99 (44.39) | |
| Anti-coagulant medication | |||
| Yes | 58 (36.02) | 52 (23.32) | 0.007b |
| No | 103 (63.98) | 171 (76.68) | |
| Wear sunglasses | |||
| Yes | 18 (11.18) | 61 (27.35) | <0.001b |
| No | 143 (88.82) | 162 (72.65) | |
| Smoking | |||
| Current smoker | 34 (21.12) | 46 (20.63) | 0.217b |
| Ex-smoker | 21 (13.04) | 44 (19.73) | |
| Non-smoker | 106 (65.84) | 133 (59.64) | |
| Current smoker | |||
| Cigarettes per day (number) | 9.24±5.02 | 8.11±4.86 | 0.317c |
| Smoking duration (years) | 37.47±18.55 | 30.54±10.37 | 0.056c |
| Pack years (number x years/20) | 17.59±11.64 | 13.67±11.55 | 0.139c |
| Former smoker | |||
| Cigarettes per day (number) | 16.33±14.74 | 12.25±6.37 | 0.236c |
| Smoking duration (years) | 27.3±18.85 | 23.55±9.95 | 0.399c |
| Pack years (number x years/20) | 20.13±19.14 | 14.58±9.96 | 0.223c |
| Hypertension | |||
| Yes | 121 (75.16) | 133 (59.64) | 0.002b |
| No | 40 (24.84) | 90 (40.36) | |