Table 1.
Macular thickness and volume in healthy eyes in women, by age groups. Tromsø Eye Study 2007–2008
| Age groups (years) | Linear trenda | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| < 50 | 50–55 | 55–60 | 60–65 | 65–70 | 70–75 | 75–80 | ≥ 80 | p | |
| Number of subjects | 129 | 446 | 436 | 792 | 402 | 229 | 137 | 46 | 2617 |
| Macular thickness (μm) | |||||||||
| Fovea (1 mm diameter) | 259.5 (17.0) | 259.6 (20.5) | 261.9 (20.6) | 261.3 (19.5) | 259.5 (20.6) | 257.3 (20.0) | 254.7 (18.5) | 251.9 (21.2) | 0.002 |
| Pericentral ring (3 mm diameter) | |||||||||
| Nasal | 327.6 (14.1) | 326.9 (15.5) | 327.7 (14.4) | 325.8 (14.4) | 323.4 (15.4) | 320.4 (14.4) | 317.9 (13.8) | 315.7 (16.5) | <0.001 |
| Temporal | 312.1 (13.2) | 311.2 (14.2) | 313.0 (13.9) | 311.7 (13.3) | 309.8 (14.4) | 307.9 (13.6) | 305.8 (13.2) | 304.4 (15.9) | <0.001 |
| Superior | 324.6 (14.5) | 324.2 (15.1) | 324.8 (13.9) | 323.4 (13.7) | 320.8 (15.0) | 318.0 (14.2) | 315.0 (13.9) | 312.1 (18.1) | <0.001 |
| Inferior | 321.6 (13.8) | 320.5 (15.1) | 321.6 (14.5) | 319.7 (14.1) | 317.8 (15.0) | 315.0 (13.4) | 312.9 (14.0) | 311.4 (15.5) | <0.001 |
| Average | 321.5 (13.5) | 320.7 (14.5) | 321.7 (13.7) | 320.1 (13.5) | 318.0 (14.5) | 315.3 (13.4) | 312.9 (13.3) | 310.9 (16.0) | <0.001 |
| Peripheral ring (6 mm diameter) | |||||||||
| Nasal | 295.4 (15.5) | 294.6 (15.4) | 294.1 (14.5) | 291.7 (14.5) | 289.5 (15.7) | 285.9 (13.9) | 283.9 (15.0) | 282.7 (16.6) | <0.001 |
| Temporal | 259.7 (12.8) | 259.8 (12.4) | 260.9 (12.3) | 259.6 (12.2) | 258.5 (12.9) | 258.3 (11.5) | 256.9 (12.9) | 257.2 (13.7) | 0.002 |
| Superior | 277.8 (14.1) | 277.9 (13.5) | 277.8 (12.9) | 276.4 (12.5) | 274.7 (13.9) | 273.1 (12.8) | 271.2 (14.6) | 270.8 (15.5) | <0.001 |
| Inferior | 267.9 (13.1) | 267.4 (14.0) | 268.2 (13.1) | 266.0 (13.4) | 264.7 (14.0) | 263.2 (12.5) | 261.6 (13.4) | 260.8 (13.8) | <0.001 |
| Average | 275.2 (13.1) | 274.9 (13.1) | 275.2 (12.5) | 273.4 (12.3) | 271.8 (13.4) | 270.1 (11.7) | 268.4 (13.1) | 267.9 (14.0) | <0.001 |
| Macular volume (mm3) | |||||||||
| ETDRS grid | 8.048 (0.356) | 8.038 (0.363) | 8.053 (0.343) | 8.004 (0.341) | 7.956 (0.371) | 7.900 (0.327) | 7.847 (0.355) | 7.822 (0.397) | <0.001 |
Numbers are presented as mean (standard deviation).
a
Linear regression, age treated as continuous variable.