Table 5

Intraobserver and interobserver results of the live, patient-based, exercise considering together results of midfoot and MTP joints (strength of agreement: <0.20 poor, 0.21–0.40 fair, 0.41–0.60 moderate, 0.61–0.80 good, 0.81–1.00 excellent)

Intraobserver agreement of the live exerciseInterobserver agreement of the live exercise
Prevalence mean range (%)Observed agreement mean, range (%)Kappa mean rangePABAK mean rangePrevalence mean
I round (%)
Prevalence mean
II round (%)
Observed agreement mean, I round (%)Observed agreement, mean, II round (%)Kappa mean
I round
Kappa mean
II round
PABAK mean
I round
PABAK mean
II round
Synovial hypertrophy (0–1)17 (9–26)89 (70–97)0.64 (0.10–0.85)0.78 (0.40–0.94)171885850.460.510.700.70
Joint
effusion (0–1)
15 (7–25)91 (81–98)0.62 (0.10–0.94)0.81 (0.63–0.98)161485870.400.430.690.73
Cartilage
damage (0–1)
88 (46–100)89 (75–100)0.5 (−0.12 to 1)0.79 (0.5–1)888981820.110.080.610.65
Synovial hypertrophy score (0–3)12 (5–21) grade 1; 7 (1–12) grade 2; 1 (0–3) grade 385 (68–95)0.64 (0.13–0.80)0.78 (0.58–0.94)12 (grade 1)
6 (grade 2)
1 (grade 3)
11 (grade 1)
7 (grade 2)
1 (grade 3)
78790.370.370.710.73
Power Doppler score (0–3)3 (1–12) grade 1; 1 (0–3) grade 2;
0 (0–0) grade 3
96 (89–99)0.41 (−0.01 to 0.79)0.95 (0.86–0.98)3 (grade 1)
1 (grade 2)
0 (grade 3)
3 (grade 1)
1 (grade 2)
0 (grade 3)
94940.210.180.930.93
Osteophytes score (0–3)36 (17–66) grade 1; 10 (3–25) grade 2; 2 (0–8) grade 372 (59–90)0.46 (0.21–0.78)0.62 (0.45–0.86)36 (grade 1)
10 (grade 2)
2 (grade 3)
36 (grade 1)
10 (grade 2)
2 (grade 3)
53520.190.210.360.36
  • MTP, metatarsophalangeal; PABAK, prevalence-adjusted bias-adjusted kappa.