Table 2.

Multivariate association between factors in the CD34+, CD 44+, CD 45+, CD 146+, CD29+, and Stro-1+ (*p < 0.05)

	CD34+			CD44+			CD45+			CD146+			CD29+			Stro-1+
	p	OR	95 % CI	p	OR	95 % CI	p	OR	95 % CI	p	OR	95 % CI	p	OR	95 % CI	p	OR	95 % CI
Interval from injury to surgeryb, < 90 days	0.025*	6.043	1.259–28.995	0.011*	8.440	1.615–44.111	0.015*	16.144	1.701–153.212	0.015*	9.246	1.541–55.461	0.369	1.982	0.446–8.819	0.059	4.559	0.944–22.020
10 ≤ age <20 year-oldc	0.957	1.056	0.144–7.755	0.996	0.994	0.124–7.985	0.773	1.370	0.161–11.643	0.416	0.438	0.060–3.198	0.960	1.048	0.167–6.572	0.112	6.244	0.679–40.503
20 ≤ age <30 year-oldc	0.027*	2.020	1.413–26.512	0.795	1.370	0.127–14.775	0.593	1.954	0.189–20.215	0.178	0.176	0.016–1.888	0.593	0.569	0.071–4.575	0.577	1.919	0.194–18.972
Sexa Female	0.683	0.692	0.118–4.057	0.593	0.604	0.097–3.780	0.092	7.535	0.717–79.179	0.139	4.148	0.629–27.374	0.218	0.368	0.075–1.809	0.843	1.194	0.207–6.897
Meniscal injuryd	0.626	0.716	0.187–2.744	0.409	0.563	0.143–2.206	0.069	0.269	0.066–1.106	0.409	0.563	0.143–2.206	0.616	0.711	0.188–2.691	0.406	0.566	0.148–2.168
Chondral injuryd	0.433	2.714	0.223–32.992	0.327	3.500	0.286–42.769	0.761	0.679	0.056–8.248	0.327	3.500	0.286–42.769	0.554	2.125	0.175–25.775	0.688	0.600	0.049–7.283
Combined meniscal or chondral injuriesd	0.549	0.667	0.177–2.513	0.593	0.692	0.180–2.668	0.117	0.333	0.084–1.318	0.593	0.692	0.180–2.668	0.503	0.636	0.169–2.391	0.549	0.667	0.177–2.513

^aUse “male” category as reference

^bUse “interval more than 90 days” category as reference

^cUse “age more than 30-year old” category as reference

^dUse “no meniscal or chondral injuries” category as reference