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. 2022 Aug 4;23:750. doi: 10.1186/s12891-022-05698-8

Table 1.

Association between type of implant and subsidence rate at 12 months post-surgery

Type of implant Subsidence χ2 (df) p
Yes
n (%)a 		No
n (%)a
Titanium-coated PEEK 14 (40) 54 (41) 0.017 (1) 0.8962
PEEK 21 (60) 77 (59)

Key to abbreviations and symbols:

acolumn percentages;

Χ2 value of the statistic of the Chi2 test for independence, df Degrees of freedom, p Two-tailed test probability for Chi2 test statistics;