Table 1.
Arterial values
| Across subject means (n = 10) | |||||||
|---|---|---|---|---|---|---|---|
| Imaging condition | Oxygen saturation (%) | Optical density ratio | Vessel diameter (μm) | Pigment | |||
| Mean (SD) | anova (per vessel) | Mean (SD) | anova (per vessel) | Mean (SD) | Mean (SD) | ||
| Artery 1 (superior) | Baseline | 86 (13) | 0.993 | 0.070 (0.036) | 0.943 | 97 (21) | 0.170 (0.118) |
| Opaque | 87 (17) | 0.079 (0.040) | 91 (20) | −0.115 (0.028) | |||
| Yellow 1 | 88 (11) | 0.066 (0.031) | 97 (22) | 0.158 (0.109) | |||
| Yellow 2 | 87 (14) | 0.069 (0.036) | 97 (21) | 0.155 (0.115) | |||
| Artery 2 (superior) | Baseline | 86 (10) | 0.334 | 0.73 (0.025) | 0.160 | 108 (16) | 0.180 (0.136) |
| Opaque | 82 (15) | 0.094 (0.035) | 101 (8) | −0.111 (0.035) | |||
| Yellow 1 | 92 (7) | 0.061 (0.017) | 109 (19) | 0.147 (0.120) | |||
| Yellow 2 | 90 (12) | 0.064 (0.027) | 108 (18) | 0.166 (0.123) | |||
| Artery 3 (superior) | Baseline | 88 (11) | 0.937 | 0.067 (0.034) | 0.932 | 101 (17) | 0.181 (0.143) |
| Opaque | 90 (21) | 0.072 (0.056) | 91 (31) | −0.114 (0.038) | |||
| Yellow 1 | 92 (12) | 0.059 (0.036) | 101 (17) | 0.160 (0.123) | |||
| Yellow 2 | 91 (14) | 0.062 (0.036) | 104 (16) | 0.179 (0.131) | |||
| Artery 4 (inferior) | Baseline | 90 (11) | 0.514 | 0.058 (0.030) | 0.225 | 97 (23) | 0.199 (0.160) |
| Opaque | 88 (9) | 0.079 (0.024) | 97 (14) | −0.112 (0.043) | |||
| Yellow 1 | 96 (11) | 0.046 (0.025) | 96 (21) | 0.174 (0.126) | |||
| Yellow 2 | 95 (11) | 0.048 (0.029) | 94 (23) | 0.179 (0.140) | |||
| Artery 5 (inferior) | Baseline | 90 (10) | 0.106 | 0.060 (0.030) | 0.073 | 91 (18) | 0.202 (0.152) |
| Opaque | 83 (13) | 0.088 (0.027) | 86 (26) | −0.119 (0.035) | |||
| Yellow 1 | 96 (12) | 0.047 (0.031) | 91 (16) | 0.182 (0.123) | |||
| Yellow 2 | 97 (8) | 0.044 (0.024) | 91 (19) | 0.184 (0.131) | |||
| Average arteries | Baseline | 89 (7) | 0.379 | 0.064 (0.022) | 0.183 | 96 (10) | 0.189 (0.137) |
| Opaque | 86 (14) | 0.083 (0.033) | 94 (9) | −0.115 (0.037) | |||
| Yellow 1 | 93 (5) | 0.056 (0.016) | 99 (9) | 0.163 (0.113) | |||
| Yellow 2 | 92 (8) | 0.058 (0.020) | 99 (9) | 0.172 (0.123) | |||
Results are shown as group means (n = 10). SD = standard deviation; anova = analysis of variance.