Table 5.
Villalta score by visit and gradings.
| O1V1 (mean) | SD | O1V2 (mean) | SD | O2V1 (mean) | SD | |
| Total VS | 9.2 | 5.51 | 9.46 | 5.07 | 9.68 | 4.93 |
| VS Signs | 4.12 | 2.39 | 4.5 | 2.35 | 4.48 | 2.24 |
| VS Symptoms | 5.09 | 3.37 | 4.96 | 3.06 | 5.2 | 3.09 |
| N | (%) | n | (%) | n | (%) | |
| VS Grading - no PTS (<5 points)∗ | 9 | 18 | 6 | 12 | 5 | 10 |
| VS Grading - Mild PTS (5–9 points)∗ | 23 | 46 | 24 | 48 | 24 | 48 |
| VS Grading - Moderate PTS (10–14 points)∗ | 10 | 20 | 9 | 18 | 11 | 22 |
| VS Grading - Severe PTS (14–33 points or venous ulcer)∗ | 8 | 16 | 11 | 22 | 10 | 20 |
n: number of participants, O1V1 = first visit with the first observer, O1V2 = second visit with the first observer, O2V1 = first visit with the second observer, PTS = post-thrombotic syndrome, VS = Villalta score.
∗
P = .91 (chi-squared test).