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Table 2 Contact angles of deionized water (degree)

From: Effect of surface roughness of biomaterials on Staphylococcus epidermidis adhesion

  Contact angle (degree)  
Fine group Coarse group P-value
Oxinium 73.9 (5.6)b,d,e 76.3(9.2) b,c,d,e 0.33
Co-Cr-Mo 104.1 (5.7)a,c,d,e 105.8 (1.0) a,c,d,e 0.06
Ti-6Al-4 V 77.0 (5.3)b,d,e 84.7 (3.0) a,b,e 0.002
Cp-Ti 89.2 (7.1)a,b,c 84.8 (3.0) a,b 0.20
SUS316L 90.0 (2.3) a,b,c 91.2 (2.0) a,b,c 0.39
  1. Data were expressed as a mean (standard deviation (SD)). A greater water contact angle means a more hydrophobic surface. Oxinium had the smallest water contact angle, indicating the most hydrophilic surface.
  2. a P < 0.01 compared with Oxinium.
  3. b P < 0.01 compared with Co-Cr-Mo.
  4. c P < 0.01 compared with Ti-6Al-4 V.
  5. d P < 0.01 compared with Cp-Ti.
  6. e P < 0.01 compared with SUS316L.