Table 2 Morphological findings of the nailfold capillary microscopy test (non-VWF vs. VWF)
From: Nailfold capillary microscopy for evaluating hand-arm vibration syndrome
Microscopic findings | Non-VWF (n = 44) | VWF (n = 18) | pvalue* | Adjustedpvalue† | |
|---|---|---|---|---|---|
Tortuous | 2.11 ± 2.13 | 1.94 ± 2.34 | 0.783 | 0.464 | |
Crossing | 3.61 ± 3.03 | 5.89 ± 3.79 | 0.015 | 0.915 | |
Bushy | 0.14 ± 0.90 | 0.00 ± 0.00 | 0.527 | - | |
Meandering | 0.27 ± 1.09 | 0.11 ± 0.32 | 0.539 | 0.953 | |
Morphology | Branching | 1.02 ± 1.49 | 0.28 ± 0.75 | 0.012 | 0.142 |
Hemorrhage | 0.00 ± 0.00 | 0.00 ± 0.00 | - | - | |
Avascular area | 0.66 ± 0.96 | 0.72 ± 0.89 | 0.812 | 0.562 | |
Enlarged | 1.64 ± 2.24 | 1.89 ± 2.05 | 0.682 | 0.714 | |
Giant | 0.00 ± 0.00 | 0.00 ± 0.00 | - | - | |
Combined count | Abnormal capillary (including crossing) | 3.80 ± 2.96 | 6.00 ± 3.66 | 0.016 | 0.933 |
Abnormal capillary (excluding crossing) | 1.11 ± 1.62 | 0.33 ± 0.77 | 0.013 | 0.184 | |
Average density (capillary number/mm) | 6.70 ± 0.92 | 6.69 ± 1.06 | 0.970 | 0.764 | |