Measuring Hemoglobin Levels in the Optic Disc of Parkinson’s Disease Patients Using New Colorimetric Analysis Software
Table 2
Mean and standard deviation in parenthesis of hemoglobin’s percentage analysing optic disc photographs with Laguna ONhE program (optic nerve head hemoglobin) of Parkinson’s disease patients and healthy subjects and statistical significance of the comparison between both groups ().
Healthy subjects
Parkinson’s patients
Mean Hb
67 (11)
58 (19)
0.001
Hb 1
74 (16)
70 (16)
0.251
Hb 2
73 (14)
64 (16)
0.010
Hb 3
68 (12)
56 (14)
<0.001
Hb 4
71 (15)
65 (18)
0.096
Hb 5
74 (13)
64 (15)
0.001
Hb 6
68 (12)
58 (24)
0.002
Hb 7
64 (17)
60 (16)
0.316
Hb 8
71 (11)
60 (14)
<0.001
Hb 9
69 (11)
56 (15)
<0.001
Hb 10
57 (16)
54 (12)
0.360
Hb 11
58 (17)
49 (12)
0.011
Hb 12
61 (13)
49 (12)
<0.001
Hb 13
57 (17)
52 (16)
0.247
Hb 14
54 (17)
47 (16)
0.032
Hb 15
58 (15)
46 (12)
0.001
Hb 16
60 (17)
57 (15)
0.428
Hb 17
64 (17)
57 (14)
0.036
Hb 18
67 (14)
57 (19)
0.002
Hb 19
67 (19)
66 (19)
0.835
Hb 20
77 (14)
69 (16)
0.005
Hb 21
76 (11)
65 (18)
0.001
Hb 22
73 (17)
71 (19)
0.724
Hb 23
84 (13)
71 (19)
0.005
Hb 24
75 (12)
64 (17)
0.001
Hb: hemoglobin. *Significant difference ( < 0.002) in Student’s -test with Bonferroni correction for multiple comparison between healthy subjects and PD patients.
