Visual field defects and retinal nerve fiber imaging in patients with obstructive sleep apnea syndrome and in healthy controls

Table 1 Comparison of IOP, RNFL thickness and Humphrey VF parameters between controls and OSAHS patients

Variable	CONTROLS (N = 38)	OSAHS (N = 63)	p-value
IOP	15.1 ± 2.1 [10–19]	15.7 ± 2.8 [10–22]	0.218^*
Average RNFL	98.60 ± 10.95 [68.86–117.54]	98.79 ± 10.55 [76–125.33]	0.932^*
RNFL superior Quadrant	119.89 ± 19.32 [69–159]	123.17 ± 16.35 [85–162]	0.385^*
RNFL nasal Quadrant	80.08 ± 16.92 [52–126]	74.86^† ± 15.86 [47–117]	0.128^*
RNFL inferior Quadrant	124.21 ± 13.71 [93–160]	123.84 ± 17.29 [91–166]	0.906^*
RNFL temporal Quadrant	70.24 ± 12.33 [47–93]	73.30 ± 13.14 [45–101]	0.241^*
Average sensitivity	29.74 ± 1.31^† [26.59–31.87]	29.3 ± 1.46 [23.9–32.03]	0.097^†
VF superior division	30.05 ± 1.54 [27.04–32.91]	29.37 ± 1.56 [25.08–32.3]	0.034 ^*
VF inferior division	31.13 ± 1.43^† [27.28–32.91]	30.89 ± 1.37 [26.57–33.66]	0.211^†
VF central division	27.59 ± 1.44 [23.28–31.14]	27.43 ± 1.83 [24–32.14]	0.406^†
VF temporal división	30.19 ± 2.0 [25.67–33.33]	29.49^† ± 2.75 [13–33]	0.145^†
VFI	99.16^† ± 0.85 [97–100]	98.97^† ± 0.983 [96–100]	0.361^†
MD	0.04 ± 1.13 [(− 2.78) – 1.79]	−0.389 ± 1.2 [(− 3.75) – 1.65]	0.07^*
PSD	1.52^† ± 0.3 [0.96–2.64]	1.61^† ± 0.67 [0.9–5.93]	0.955^†

IOP intraocular pressure, RNFL retinal nerve fiber layer, VF visual field, VFI visual field index, MD mean deviation, PSD pattern standard deviation, N number of eyes
^*T-student test (p value < 0.05). Normal distribution confirmed (Shapiro-Wilk)
^†U Mann-Whitney test. No normal distribution confirmed (Shapiro-Wilk)

ISSN: 1471-2415