Table 4 Comparison of musculoskeletal ultrasonographic femoral cartilage thickness measurements in AS patients and controls

RLC (mm)

2.08 ± 0.43 (1.30–2.9)

2.17 ± 0.41 (1.80–3.10)

0.58

RIA (mm)

2.38 ± 0.34 (1.80–3.0)

2.62 ± 0.31 (2.10–3.10)

0.04*

RMC (mm)

2.03 ± 0.29 2.38 ± 0.34

2.26 ± 0.26 (2.0–2.90)

0.02*

LLC (mm)

2.37 ± 0.29 (1.70–2.80)

2.55 ± 0.47 (1.50–3.10)

0.13

LIA (mm)

2.42 ± 0.34 (2.0–3.40)

2.66 ± 0.32 (2.10–3.20)

0.03*

LMC (mm)

2.15 ± 0.23 (1.60–2.60)

2.32 ± 0.23 (1.90–2.70)

0.02*