Table 2.
Comparison Stratus OCT Variables in Normal and Perimetric Glaucoma Groups
| N | PG | P-value | |
|---|---|---|---|
| RNFL Scan (µm) | |||
| Overall | 99.9±9.6 (74.6, 131.4) | 78±15.5 (35.3, 127.5) | <0.0001 |
| Inferior quadrant | 129.1±15.0 (93.5, 173.0) | 91.7±25.1 (42.0, 193.0) | <0.0001 |
| Superior quadrant | 121.3±14.9 (81.5, 159.5) | 92.7±23.1 (35.0, 146.5) | <0.0001 |
| Optic Disc Scan | |||
| HIRW, mm2 | 0.48±0.33 (0.14, 3.06) | 0.16±0.13 (0.01, 0.81) | <0.0001 |
| VIRA, mm3 | 1.74±0.23 (1.14, 2.55) | 1.28±0.27 (0.65, 2.06) | <0.0001 |
| Cup Area, mm2 | 0.70±0.48 (0.07, 2.58) | 1.38±0.61 (0.08, 3.69) | <0.0001 |
| Rim Area, mm2 | 1.62±0.38 (0.00, 2.58) | 1.03±0.39 (0.23, 2.53) | <0.0001 |
| Cup/Disk Area Ratio | 0.29±0.17 (0.03, 1.00) | 0.56±0.17 (0.05, 0.90) | <0.0001 |
| Horizontal Cup/Disk Ratio |
0.54±0.17 (0.16, 1.00) | 0.76±0.14 (0.23, 0.97) | <0.0001 |
| Vertical Cup/Disk Ratio |
0.49±0.15 (0.15, 1.00) | 0.72±0.13 (0.20, 0.97) | <0.0001 |
| Macula Scan (µm) | |||
| Inferior inner macula | 267.9±17.0 (213.5, 310.5) | 249.3±21.3 (201.0, 322.0) | <0.0001 |
| Superior inner macula | 269.7±17.8 (216.0, 309.5) | 256.8±20.3 (194.0, 309.0) | <0.0001 |
| Nasal inner macula | 270.5±19.2 (224.5, 331.0) | 259.4±21.0 (201.5, 322.0) | 0.0005 |
| Temporal inner macula |
258.0±17.5 (204.0, 297.5) | 241.3±19.0 (189.5, 324.5) | <0.0001 |
| Inferior outer macula | 224.7±16.5 (177.0, 273.5) | 201.2±18.6 (159.0, 257.0) | <0.0001 |
| Superior outer macula | 235.1±17.1 (175.0, 275.5) | 217.0±16.8 (163.5, 258.5) | <0.0001 |
| Nasal outer macula | 249.6±18.4 (198.0, 296.0) | 234.3±19.9 (179.5, 292.0) | <0.0001 |
| Temporal outer macula |
217.1±16.2 (159.0, 253.5) | 199.7±14.6 (168.5, 251.0) | 0.01 |
N, Normal group; PG, Perimetric glaucoma group; RNFL, peripapillary retina nerve fiber layer; HIRW, horizontal integrated rim width; VIRA, vertical integrated rim area; P-values based on comparison of N and PG groups. Values are means ± standard deviations. Values in parentheses are ranges.