Table 2 Comparison of the demographics and test results between peripheral nasal step and parafoveal scotoma.

From: Comparison between frequency-doubling technology perimetry and standard automated perimetry in early glaucoma

 

Peripheral nasal step (n = 50)

Parafoveal scotoma (n = 46)

P value

Age (year)

51.06 ± 13.704

5461 ± 11.930

0.181*

Sex (female, no (%))

30 (60.0%)

28 (60.9%)

0.931†

History of migraine (no (%))

6 (12.0%)

12 (26.1%)

0.077†

CCT (μm)

530.80 ± 46.95

534.33 ± 29.92

0.659*

Axial length (mm)

23.64 ± 5.20

23.96 ± 6.21

0.783*

Intraocular pressure (mmHg)

14.66 ± 3.264

14.57 ± 2.587

0.887*

Mean deviation, SAP (− dB)

 − 3.01 ± 1.856

 − 2.74 ± 1.682

0.458*

Pattern standard deviation, SAP (− dB)

4.71 ± 2.472

5.96 ± 2.376

0.013*

Mean deviation, FDT (− dB)

 − 7.20 ± 3.61

 − 6.40 ± 3.79

0.289*

Pattern standard deviation, FDT (-dB)

6.23 ± 1.79

5.49 ± 1.36

0.025*

Average RNFL thickness (μm)

75.56 ± 10.065

76.54 ± 9.050

0.617*

Presence of MvD (no (%))

25 (50.0%)

27 (58.7%)

0.393†

Presence of disc hemorrhage (no (%))

22 (44.0%)

18 (39.1%)

0.629†

Superficial PPVD

45.27 ± 2.85

46.69 ± 3.46

0.030*

Deep PPVD

51.07 ± 8.754

48.46 ± 8.169

0.136*

LCD (μm)

495.42 ± 130.985

510.43 ± 124.407

0.567*

LCCI

10.83 ± 4.080

9.45 ± 3.548

0.082*

  1. Mean values are presented with standard deviations.
  2. No number, CCT central corneal thickness, RNFL retinal nerve fiber layer, MvD microvascular dropout, PPVD peripapillary vessel density, LCD lamina cribrosa depth, LCCI lamina cribrosa curvature index.
  3. Bold font indicates significant P values (P < 0.05).
  4. *Student’s t-test.
  5. †Chi-squared test.
Back to article page