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. 2009 Jun;30(6):1159–1164. doi: 10.3174/ajnr.A1543

Static and dynamic COFs of Sylgard 184 and LIM 6030 samples for different numbers of coatings after 25 runs*

Coating No. Sylgard 184
LIM 6030
Static COF Dynamic COF Static COF Dynamic COF
0 0.738 ± 0.093 0.707 ± 0.089 1.346 ± 0.113 1.298 ± 0.113
1 0.334 ± 0.169 (P = .0016) 0.312 ± 0.174 (P = .0019) 1.052 ± 0.216 (P = .0273) 1.026 ± 0.222 (P = .0435)
2 0.366 ± 0.114 (P = .0005) 0.312 ± 0.108 (P = .0002) 0.815 ± 0.114 (P < .0001) 0.765 ± 0.098 (P < .0001)
3 0.471 ± 0.091 (P = .0018) 0.416 ± 0.090 (P = .0009) 0.719 ± 0.121 (P < .0001) 0.683 ± 0.120 (P < .0001)

Note:—COF indicates coefficient of friction.

*

The COF is presented as mean ± SD. The Student t test compares the mean COF of the coated and uncoated groups. The 2-tailed P value < .05 indicates a statistically significant difference.