Table 1 Group demographics, OPP parameters, and OAF parameters in NTG and control groups
From: Ocular perfusion pressure and ophthalmic artery flow in patients with normal tension glaucoma
Variable | Group | P value | |
|---|---|---|---|
NTG (n = 31) | Normal (n = 15) | ||
Age (years) | 66.3 +/- 9.2 | 65.4 +/- 8.1 | 0.512 |
Gender, male | 16 (52 %) | 6 (40 %) | 0.525 |
female | 15 (48 %) | 9 (60 %) | |
Presence of Diabetes Mellitus | 14 (45 %) | 10 (67 %) | 0.214 |
Presence of Hypertension | 17 (55 %) | 11 (73 %) | 0.332 |
Duration of NTG (years) | 4.6 +/- 2.8 | N/A | |
Mean Deviation, MD (dB) | -7.82 +/- 6.69 | N/A | |
IOP (mmHg) | 11.2 +/- 2.6 | 11.1 +/- 2.1 | 0.904 |
Systolic BP (mmHg) | 149.9 +/- 23.8 | 152.1 +/- 17.4 | 0.752 |
Diastolic BP (mmHg) | 85.9 +/- 8.8 | 90.6 +/- 14.4 | 0.174 |
Ocular Perfusion Pressure, OPP (mmHg) | 60.5 +/- 8.7 | 62.9 +/- 10.2 | 0.393 |
Mean Flow Velocity, MFV (cm/s) | 16.99 +/- 3.40 | 16.38 +/- 2.94 | 0.557 |
Peak Systolic Velocity, PSV (cm/s) | 35.48 +/- 9.07 | 32.76 +/- 10.41 | 0.369 |
End Diastolic Velocity, EDV (cm/s) | 7.74 +/- 3.32 | 8.19 +/- 3.64 | 0.679 |
Resistive Index, RI | 0.77 +/- 0.10 | 0.73 +/- 0.12 | 0.295 |