Table 3.

Association of rs726252 in PAPPA2 with developmental dysplasia of the hip when stratified by severity.

Groups compared	TT versus other combined			CC versus other combined			T allele versus C allele			All genotypes
	P value	OR	95% CI	P value	OR	95% CI	P value	OR	95% CI	P value
Patients with hip instability (n = 36) versus all controls (n = 707)	0.538	0.755	0.309 to 1.849	0.243	3.338	0.391 to 28.488	0.756	0.881	0.397 to 1.956	0.351
Patients with hip subluxation (n = 95) versus all controls (n = 707)	0.491	0.823	0.473 to 1.434	0.841	1.243	0.148 to 10.438	0.553	0.856	0.512 to 1.431	0.747
Patients with hip dislocation (n = 566) versus all controls (n = 707)	0.413	0.891	0.675 to 1.175	0.776	0.832	0.234 to 2.961	0.414	0.898	0.695 to 1.161	0.708