Table 3

Prevalence of knee and hip joint replacement in age-comparable males in the general population and in the FPHS cohort

	Kremers, 2015 (general population)		FPHS cohort N=3,913
	n	%	n	%	P value
Knee replacement
<50
Yes	85 195	0.08	24	1.48	<0.005
Total	105 709 894		1620
50–59
Yes	245 935	1.20	69	7.60	<0.005
Total	20 512 532		908
60–69
Yes	510 244	3.64	180	23.14	<0.005
Total	14 029 131		778
70–79
Yes	541 038	7.26	170	36.96	<0.005
Total	7 447 964		460
	Kremers, 2015 (general population)		FPHS cohort N=3,913
	n	%	n	%	P value
Hip replacement
<50
Yes	122 401	0.08	27	1.68	<0.005
Total	105 709 894		1611
50–59
Yes	205 995	1.00	68	7.52	<0.005
Total	20 512 532		904
60–69
Yes	295 869	2.11	104	13.54	<0.005
Total	14 029 131		768
70–79
Yes	280 383	3.76	90	19.69	<0.005
Total	7 447 964		457

FPHS, Football Players Health Study.