Table 2 :  Demographic characteristics and post-operative results.


  Co-Cr implant (n=25) OxZr implant (n=22)

Male: female 4: 21 2: 20
Mean age (year)(range) 75.3 (65 to 89) 75.1 (64 to 85)
Mean follow-up period
 (month)(range)
24.9 (13 to 36) 24.3 (13 to 37)

Positive rates of patch test (%)    

Ni 0 9.0 (n=2)
Va 4.0 (n=1) 0
Co, Cr, Al, Va, Ti, Mo 0 0

Positive rates of LST (%)    

Co 12.0 (n=3) 0
Ni 24.0 (n=6) 18.2 (n=4)
Cr 8.0 (n=2) 4.5 (n=1)

Kitagawa et al.Hypersensitivity  2013 1:3DOI : 10.7243/2052-594X-1-3