Lack of association of a variable number of aspartic acid residues in the asporin gene with osteoarthritis susceptibility: case-control studies in Spanish Caucasians

Table 2 Comparisons of the D14 and D13 allelic frequencies of the asporin microsatellite between Spanish osteoarthritis patients and controls represented as P values

	Comparison
Group	D14 versus others	D13 versus others	D14 versus D13
Total hip replacement (n = 303)	0.12	0.71	0.15
Total knee replacement (n = 188)	0.31	0.83	0.37
Total hip replacement + total knee replacement (n = 597)	0.61	0.88	0.63
Hand osteoarthritis (n = 233)	0.86	0.38	0.65

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