Table 5. Comparisons of T2 values of medial/lateral menisci among three age groups and two gender groups after adjusting for the BMI effect in multiple linear regression analysis.

			95%		Wald
Parameters	B	SE	Confidence	Interval	Chi-square	P-value
Medial
BMI	0.038	0.074	–0.107	0.184	0.266	0.606
Sex (M vs. W)	–0.929	0.703	–2.307	0.449	1.745	0.186
Group 3 vs. Group 1*	3.190	0.812	1.599	4.781	15.451	<0.001
Group 2 vs. Group 1*	0.754	0.657	–0.534	2.042	1.317	0.251
Sex (M)×Group 3	–1.093	1.012	–3.077	0.891	1.166	0.280
Sex (M)×Group 2	–0.224	0.923	–2.032	1.585	0.059	0.808
Lateral
BMI	0.052	0.044	–0.034	0.138	1.388	0.239
Sex (M vs. W)	–0.795	0.462	–1.702	0.111	2.960	0.085
Group 3 vs. Group 1*	0.570	0.454	–0.320	1.461	1.575	0.209
Group 2 vs. Group 1*	0.699	0.407	–0.099	1.496	2.950	0.086
Sex (M)×Group 3	0.756	0.598	–0.416	1.929	1.598	0.206
Sex (M)×Group 2	–0.364	0.598	–1.536	0.808	0.371	0.543

^*Group 1∶ 20Age34; Group 2∶ 35Age49; Group 3∶ 50Age70 (Group 1 is the reference group).

Sex (M: Men; F: Women [the reference group]).

Abbreviations: BMI, body mass index; B, regression coefficient; SE, standard error.