Table 1

 Various optical measures (see “Patients and methods” section)

Score (1, …,5)Min(μs) (cm−1)Min(μa) (cm−1)Max(μs) (cm−1)Max(μa) (cm−1)Min(μs)/Max(μs)Min(μa)/Max(μa)
Results are shown as mean values (standard errors).
The entries in bold identify cases in which the difference between the mean values found for the affected and unaffected joints is significant (p<0.05).
Clinical diagnosis (CSS)
Affected joint3.00 (0.40)5.91 (1.01) 0.256 (0.033) 16.26 (0.97)0.649 (0.041)0.388 (0.074)0.405 (0.062)
Unaffected joint2.65 (016)5.07 (0.51) 0.180 (0.017) 16.43 (0.49)0.640 (0.021)0.347 (0.037)0.307 (0.032)
p Value0.1770.233 0.021 0.4360.4230.3100.084
US diagnosis (USS)
Affected joint 3.07 (0.20) 6.12 (0.62) 0.232 (0.020) 16.08 (0.60)0.645 (0.025) 0.412 (0.045) 0.382 (0.038)
Unaffected joint 2.32 (0.22) 4.28 (0.65) 0.154 (0.012) 16.74 (0.63)0.638 (0.027) 0.293 (0.048) 0.266 (0.040)
p Value 0.007 0.022 0.010 0.2250.431 0.036 0.020