Distribution of macular thickness measurements in healthy eyes by age and gender
| Characteristic | Age | Gender | |||||||||
| <40 | 41–50 | 51–60 | 61–70 | ≥70 | β coefficient | P value | Female | Male | t | P value | |
| (N=436) | (N=528) | (N=1906) | (N=1536) | (N=494) | (N=2722) | (N=2178) | |||||
| Central macular subfield | 232.48±20.41 | 234.20±18.84 | 238.81±22.53 | 238.86±23.80 | 234.94±27.52 | 1.054 | 0.001 | 233.67±22.83 | 242.01±22.49 | –12.794 | <0.001 |
| Inner rings | |||||||||||
| Tempo | 311.64±16.36 | 308.28±18.31 | 308.57±18.85 | 305.16±19.11 | 296.59±21.99 | –3.132 | <0.001 | 302.99±18.39 | 310.96±19.69 | –14.501 | <0.001 |
| Superior | 317.39±15.67 | 314.00±17.38 | 312.65±18.39 | 309.47±18.67 | 301.73±19.93 | –3.401 | <0.001 | 307.79±17.79 | 315.28±19.01 | –14.211 | <0.001 |
| Nasal | 312.81±16.93 | 309.81±17.35 | 309.91±19.06 | 307.08±19.85 | 297.94±21.11 | –2.999 | <0.001 | 304.74±19.28 | 312.21±19.06 | –13.542 | <0.001 |
| Inferior | 319.63±16.56 | 316.15±17.58 | 315.08±18.87 | 311.53±19.54 | 303.86±19.79 | –3.461 | <0.001 | 309.99±18.67 | 317.56±19.15 | –13.946 | <0.001 |
| Superior hemisphere | 312.12±15.67 | 309.08±17.54 | 308.41±18.05 | 305.41±18.50 | 296.57±20.36 | –3.248 | <0.001 | 303.34±17.71 | 310.85±18.83 | –14.341 | <0.001 |
| Inferior hemisphere | 318.61±16.76 | 315.04±17.37 | 314.69±19.12 | 311.21±18.72 | 303.49±19.91 | –3.248 | <0.001 | 309.42±18.42 | 317.16±19.01 | –14.414 | <0.001 |
| Average thickness | 315.37±15.99 | 312.06±17.16 | 311.55±18.12 | 308.31±18.10 | 300.03±19.33 | –3.248 | <0.001 | 306.38±17.51 | 314.00±18.52 | –14.672 | <0.001 |
| Outer rings | |||||||||||
| Tempo | 282.23±13.65 | 279.18±15.15 | 278.88±15.77 | 275.94±17.30 | 268.42±17.74 | –2.91 | <0.001 | 275.38±16.61 | 279.55±16.28 | –8.8153 | <0.001 |
| Superior | 275.48±12.19 | 272.75±11.96 | 272.46±13.30 | 269.91±13.65 | 264.47±17.12 | –2.375 | <0.001 | 269.86±14.18 | 272.77±13.34 | –7.3329 | <0.001 |
| Nasal | 290.06±13.78 | 286.99±14.34 | 286.25±15.90 | 284.04±17.86 | 277.41±17.27 | –2.629 | <0.001 | 283.23±16.38 | 287.41±16.65 | –8.8063 | <0.001 |
| Inferior | 284.98±12.52 | 282.67±13.77 | 280.90±15.04 | 278.05±15.13 | 272.27±16.90 | –2.904 | <0.001 | 279.09±14.88 | 280.44±15.72 | –3.0472 | <0.001 |
| Superior hemisphere | 275.28±12.33 | 272.26±12.28 | 272.33±13.62 | 269.98±15.31 | 263.31±16.97 | –2.443 | <0.001 | 269.11±14.88 | 273.22±13.90 | –9.902 | <0.001 |
| Inferior hemisphere | 291.09±13.33 | 288.53±15.07 | 286.91±15.41 | 283.99±15.43 | 277.97±15.94 | –2.966 | <0.001 | 284.67±15.13 | 286.86±16.11 | –4.8541 | <0.001 |
| Average thickness | 283.19±12.40 | 280.40±12.99 | 279.62±13.94 | 276.98±14.43 | 270.64±15.57 | –2.705 | <0.001 | 276.89±14.21 | 280.04±14.40 | –7.6696 | <0.001 |