Normative Values of Peripapillary Retinal Nerve Fiber Layer Thickness in a Middle Eastern Population
Table 3
Multivariable regression models of peripapillary retinal nerve fiber layer (RNFL) thickness by area in a Middle Eastern population ( eyes).
Variables
B value
95% CI
value
Temporal
<0.001
Age (years)
−0.35
−0.61 to −0.08
0.01
History of diabetes mellitus type 2
6
−1 to 12
0.09
History of systemic hypertension
11
4 to 17
0.002
Superior
<0.001
Age (years)
−0.12
−0.37 to 0.14
0.4
History of diabetes mellitus type 2
11
4 to 17
0.001
History of systemic hypertension
−14
−21 to −8
<0.001
Nasal
<0.001
History of diabetes mellitus type 2
10
5 to 15
<0.001
History of systemic hypertension
−12
−17 to −7
<0.001
Inferior
0.06
Age (years)
−0.21
−0.47 to 0.06
0.1
Refraction (spherical equivalent power)
−2.5
−5.3 to 0.2
0.07
Global
<0.001
Age (years)
−0.16
−0.31 to −0.01
0.04
History of diabetes mellitus type 2
8
4 to 11
<0.001
History of systemic hypertension
−4.2
−8.1 to −0.3
0.04
B value, regression coefficient; 95% CI, 95% confidence interval. B values represent the change in the dependent variables (i.e., pRNFL thickness by area) for each unit of change in the independent variables (i.e., predictors).