Table 2.

Univariate comparison of retinal parameters between Controls and Hypertensives.

Parameter	All participants (n = 140)	Controls (n = 46)	Hypertensive (n = 94)	p-value
Superficial
Foveal avascular zone	0.4 (±0.15)	0.39 (±0.12)	0.4 (±0.17)	0.529
Macula flow	1.17 (±0.23)	1.25 (±0.16)	1.13 (±0.24)	<0.001
Foveal flow density	28.93 (±5.91)	28.78 (±5.81)	29.01 (±5.99)	0.832
Parafoveal flow density	47.8 (±4.79)	48.89 (±4.65)	47.26 (±4.79)	0.06
Total flow density	45.17 (±3.48)	45.85 (±3.21)	44.84 (±3.57)	0.101
Deep
Manual foveal avascular zone	0.34 (±0.1)	0.32 (±0.11)	0.35 (±0.1)	0.172
Manual foveal avascular zone perimeter	2.22 (±0.35)	2.14 (±0.38)	2.27 (±0.33)	0.087
Macula flow	1.01 (±0.37)	1.2 (±0.18)	0.92 (±0.4)	<0.001
Foveal flow density	27.81 (±6.75)	27.94 (±6.35)	27.75 (±6.97)	0.873
Parafoveal flow density	57.97 (±5.14)	59.38 (±4.46)	57.27 (±5.34)	0.017
Total flow density	51.86 (±5.56)	53.49 (±5.14)	51.05 (±5.61)	0.013
Parafoveal inner retina thickness	118.45 (±9.61)	121.74 (±8.3)	116.79 (±9.83)	0.003
Total parafoveal thickness	313.6 (±17.46)	318 (±16.03)	311.37 (±17.82)	0.03