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/s0.995 (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 Hg0.99 (0.94 to 1.03)0.54
 Pulse in beats/min1.04 (1.00 to 1.09)0.091
 Female sex0.73 (0.25 to 2.03)0.55
 Age in years1.00 (0.94 to 1.06)0.91
 Caucasian race2.42 (0.58 to 12.1)0.25
 Connective tissue disease0.79 (0.24 to 2.64)0.70
 Diabetes mellitus0.19 (0.022 to 1.22)0.10
 Use of blood thinning medication0.73 (0.23 to 2.35)0.59
 Use of blood pressure medication0.66 (0.19 to 2.30)0.51
 Ever smoker (vs never)1.58 (0.56 to 4.62)0.39
Mean diameter in μm0.73 (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 Hg1.00 (0.97 to 1.04)0.86
 Pulse in beats/min1.03 (0.99 to 1.07)0.14
 Female sex0.75 (0.29 to 1.88)0.54
 Age in years0.98 (0.92 to 1.03)0.36
 Caucasian race2.95 (0.75 to 13.9)0.14
 Connective tissue disease0.87 (0.28 to 2.63)0.80
 Diabetes mellitus0.22 (0.032 to 1.17)0.094
 Use of blood thinning medication0.74 (0.26 to 2.06)0.56
 Use of blood pressure medication1.16 (0.39 to 3.60)0.79
 Ever smoker (vs never)1.88 (0.75 to 4.86)0.18
Mean flow in pL/s0.94 (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 Hg0.99 (0.94 to 1.03)0.57
 Pulse in beats/min1.05 (1.00 to 1.10)0.058
 Female sex0.55 (0.18 to 1.57)0.28
 Age in years0.98 (0.93 to 1.04)0.59
 Caucasian race2.79 (0.64 to 14.9)0.19
 Connective tissue disease0.74 (0.21 to 2.53)0.63
 Diabetes mellitus0.12 (0.012 to 0.89)0.054
 Use of blood thinning medication0.68 (0.27 to 2.23)0.52
 Use of blood pressure medication0.92 (0.27 to 3.27)0.90
 Ever smoker (vs never)1.99 (0.69 to 6.10)0.21