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. 2019 Mar 6;90(3):214–219. doi: 10.1080/17453674.2019.1582680

Table 3.

Comparison of taper-slip and composite beam stems

Factor Stem type
p-value
Taper-slip Composite beam
Number 245,401 (83.8%) 47,586 (16.2%) n/a
Mean age (range) 71.9 (12–103) 73.6 (15–101) < 0.001a
Death, n (%) 25,761 (10.5) 8,168 (17.2) < 0.001 b
Revised, n (%) 3,080 (1.3) 810 (1.7) < 0.001 b
a

ANOVA

b

χ2 test