Table 3. Hazard Rate Ratios (HRR) for being diagnosed with any type of cancer according to bearing type following primary hip replacement in men (n = 163,111; 14,825 were subsequently diagnosed with cancer) and women (n = 240,765; 17,040 were subsequently diagnosed with cancer).

Bearing type for first primary hip	(i) Unadjusted		(ii) Adjusted for age and ASA		(iii) Adjusted for age, ASA and whether patient had a record in PEDW
	HRR [95% CI]	p-value	HRR [95% CI]	p-value	HRR [95% CI]	p-value
Men
Other	1 [referent]		1 [referent]		1 [referent]
MoM	0.71 [0.67–0.76]	p<0.001	0.99 [0.92–1.06]	p = 0.737	0.99 [0.92–1.05]	p = 0.687
Resurfacing	0.38 [0.35–0.40]	p<0.001	0.90 [0.83–0.97]	p = 0.008	0.90 [0.83–0.97]	p = 0.007
Women
Other	1 [referent]		1 [referent]		1 [referent]
MoM	0.76 [0.71–0.82]	p<0.001	0.93 [0.86–1.00]	p = 0.050	0.93 [0.86–1.00]	p = 0.043
Resurfacing	0.51 [0.46–0.57]	p<0.001	0.99 [0.88–1.10]	p = 0.803	0.99 [0.88–1.10]	p = 0.815