Table 3.

Multivariable logistic regression of mean nailfold capillary blood speed, diameter and flow in relation to primary open-angle glaucoma case (n=62) versus control (n=57) status

Exposure (covariates indented)	OR (95% CI)	P values
Mean speed in μm/s	0.995 (0.992 to 0.997)	<0.0001
Body mass index in kg/m2	0.98 (0.87 to 1.09)	0.69
Mean arterial pressure in mm Hg	0.99 (0.94 to 1.03)	0.54
Pulse in beats/min	1.04 (1.00 to 1.09)	0.091
Female sex	0.73 (0.25 to 2.03)	0.55
Age in years	1.00 (0.94 to 1.06)	0.91
Caucasian race	2.42 (0.58 to 12.1)	0.25
Connective tissue disease	0.79 (0.24 to 2.64)	0.70
Diabetes mellitus	0.19 (0.022 to 1.22)	0.10
Use of blood thinning medication	0.73 (0.23 to 2.35)	0.59
Use of blood pressure medication	0.66 (0.19 to 2.30)	0.51
Ever smoker (vs never)	1.58 (0.56 to 4.62)	0.39
Mean diameter in μm	0.73 (0.53 to 0.99)	0.048
Body mass index in kg/m2	0.91 (0.82 to 1.00)	0.069
Mean arterial pressure in mm Hg	1.00 (0.97 to 1.04)	0.86
Pulse in beats/min	1.03 (0.99 to 1.07)	0.14
Female sex	0.75 (0.29 to 1.88)	0.54
Age in years	0.98 (0.92 to 1.03)	0.36
Caucasian race	2.95 (0.75 to 13.9)	0.14
Connective tissue disease	0.87 (0.28 to 2.63)	0.80
Diabetes mellitus	0.22 (0.032 to 1.17)	0.094
Use of blood thinning medication	0.74 (0.26 to 2.06)	0.56
Use of blood pressure medication	1.16 (0.39 to 3.60)	0.79
Ever smoker (vs never)	1.88 (0.75 to 4.86)	0.18
Mean flow in pL/s	0.94 (0.92 to 0.96)	<0.0001
Body mass index in kg/m2	0.97 (0.86 to 1.08)	0.55
Mean arterial pressure in mm Hg	0.99 (0.94 to 1.03)	0.57
Pulse in beats/min	1.05 (1.00 to 1.10)	0.058
Female sex	0.55 (0.18 to 1.57)	0.28
Age in years	0.98 (0.93 to 1.04)	0.59
Caucasian race	2.79 (0.64 to 14.9)	0.19
Connective tissue disease	0.74 (0.21 to 2.53)	0.63
Diabetes mellitus	0.12 (0.012 to 0.89)	0.054
Use of blood thinning medication	0.68 (0.27 to 2.23)	0.52
Use of blood pressure medication	0.92 (0.27 to 3.27)	0.90
Ever smoker (vs never)	1.99 (0.69 to 6.10)	0.21