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. 2023 Oct 16;31(12):5554–5564. doi: 10.1007/s00167-023-07602-w

Table 3.

Results of the pin-on-plate tests

Mild OA Moderate OA
sSF sSF + HA sSF sSF + HA
Stance phase
Meniscus
 CoF0 0.05 [0.03, 0.13] 0.04 [0.03, 0.12] 0.03 [0.02, 0.18] 0.04 [0.02, 0.11]
 CoFend 0,05 [0.02, 0.11] 0.05 [0.03, 0.15] 0.04 [0.02, 0.10] 0.05 [0.02, 0.10]
Cartilage
 CoF0 0.05 [0.03, 0.07] 0.05 [0.02, 0.09] 0.06 [0.01, 0.16] 0.04 [0.01, 0.08]
 CoFend 0.05 [0.02, 0.06] 0.05 [0.02, 0.07] 0.05 [0.02, 0.16] 0.04 [0.02, 0.08]
Swing phase
Meniscus
 CoF0 0.05 [0.03, 0.09] 0.05 [0.03, 0.09] 0.04 [0.03, 0.12] 0.03 [0.02, 0.15]
 CoFend 0.06 [0.03, 0.12] 0.06 [0.03, 0.12] 0.04 [0.02, 0.24] 0.04 [0.03, 0.17]
Cartilage
 CoF0 0.04 [0.03, 0.07] 0.05 [0.03, 0.07] 0.04 [0.03, 0.07] 0.03 [0.01, 0.08]
 CoFend 0.04 [0.03, 0.07] 0.05 [0.03, 0.06] 0.04 [0.03, 0.10] 0.04 [0.03, 0.11]

Median [min, max] coefficient of friction (CoF) values of the tribosystem meniscus and cartilage for the samples with mild OA and moderate OA, lubricated with synthetic synovial fluid (sSF) or with sSF and hyaluronic acid (HA) (sSF + HA)