Table 2.
Characteristics of patients with IOP ≥15 or <15 mmHg
| Clinical characteristics | All (N = 138) | IOP ≥15 mmHg (N = 69) | IOP <15 mmHg (N = 69) | P value (≥15 vs. <15 mmHg) |
|---|---|---|---|---|
| Age (years) | 60.5 ± 11.9 | 59.9 ± 11.8 | 61.1 ± 12.1 | 0.60 |
| Sex (male:female) | 72:66 | 39:30 | 33:36 | 0.39 |
| POAG:NTG | 46:92 | 32:37 | 14:55 | <0.01* |
| VA (LogMAR) | −0.08 (−0.08 to 0.00)a | −0.08 (−0.08 to 0.00)a | −0.08 (−0.08 to 0.05)a | 0.12 |
| Refractive error (D)b | −4.46 ± 3.64 (N = 124) | −4.23 ± 3.47 (N = 65) | −4.72 ± 3.82 (N = 59) | 0.61 |
| IOP (mmHg) | 14.30 ± 3.44 | 17.12 ± 2.34 | 11.49 ± 1.54 | – |
| MD (dB) | −10.82 ± 7.96 | −8.91 ± 7.29 | −12.73 ± 8.19 | <0.01* |
| Baseline MD (dB) | −9.23 ± 7.59 | −7.31 ± 7.04 | −11.15 ± 7.68 | <0.01* |
| MD slope (dB/year) | −0.77 ± 0.98 | −0.70 ± 0.95 | −0.85 ± 1.02 | 0.31 |
| Observation period (month) | 28.4 ± 14.0 | 32.8 ± 16.0 | 23.9 ± 9.9 | <0.01* |
Mean ± standard deviation
VA visual acuity, IOP intraocular pressure, MD mean deviation, PSD pattern standard deviation, POAG primary open-angle glaucoma, NTG normal-tension glaucoma, D diopter
* Significance at P < 0.05
aMedian (interquartile range)
bData from eyes without refractive surgery