Table 2.

The slopes of the Ratio ((V_L−V_UL)/V_UL) vs. strains with correlation r-values at the meniscus-covered and uncovered areas

Sub-tissue Zone	8wk-Contralateral		8wk-OA		12wk-Contralateral		12wk-OA
Sub-tissue Zone	Slope	r-value	Slope	r-value	Slope	r-value	Slope	r-value
T2(0°) Ratio vs. Strains-Covered
Bulk	−0.544	0.331 ^a	−0.081	0.321 ^a	−1.162	0.296 ^b	−0.840	0.103 ^c
SZ	−0.651	0.751 ^a	−1.685	0.654 ^a	−2.139	0.447 ^b	−2.960	0.322 ^b
TZ	−0.958	0.581 ^a	−0.745	0.759 ^a	−1.554	0.455 ^a	−1.207	0.032 ^c
RZ1	−0.366	0.400 ^a	−0.433	0.640 ^a	−1.484	0.423 ^b	−0.859	0.523 ^a
RZ2	−0.474	0.467 ^a	−0.229	0.389 ^a	−0.563	0.151 ^c	−0.785	0.369 ^b
T2(0°) Ratio vs. Strains -Uncovered
Bulk	0.728	0.167 ^a	0.392	0.542 ^a	−0.141	0.667 ^a	−0.615	0.291 ^b
SZ	−1.401	0.544 ^a	−1.228	0.804 ^a	−1.336	0.425 ^b	−2.435	0.155 ^c
TZ	−0.615	0.403 ^b	−0.528	0.691 ^a	−0.776	0.944 ^a	−0.808	0.100 ^c
RZ1	0.707	0.310 ^b	−0.294	0.268 ^b	−0.387	0.501 ^a	−0.713	0.136 ^c
RZ2	0.402	0.455 ^a	0.042	0.108 ^c	0.025	0.319 ^b	−0.287	0.237 ^c
T2(55°) Ratio vs. Strains -Covered
Bulk	−0.954	0.681 ^a	−0.456	0.356 ^a	−0.937	0.641 ^a	−0.341	0.291 ^a
SZ	−1.852	0.523 ^a	−1.656	0.462 ^a	−1.354	0.969 ^a	−2.207	0.923 ^a
TZ	−1.161	0.790 ^a	−0.823	0.555 ^a	−0.965	0.984 ^a	−0.978	0.229 ^c
RZ1	−0.746	0.530 ^a	−0.119	0.250 ^b	−0.742	0.940 ^a	−0.534	0.108 ^c
RZ2	−0.959	0.294 ^a	−0.386	0.043 ^c	−0.764	0.930 ^a	−0.004	0.442 ^b
T2(55°) Ratio vs. Strains -Uncovered
Bulk	−1.140	0.824 ^a	−1.254	0.820 ^a	−0.130	0.186 ^c	−0.488	0.171 ^c
SZ	−1.526	0.671 ^a	−1.554	0.688 ^a	−2.088	0.339 ^b	−1.474	0.124 ^c
TZ	−1.557	0.956 ^a	−1.173	0.694 ^a	−0.619	0.147 ^c	−0.307	0.305 ^c
RZ1	−1.676	0.832 ^a	−1.474	0.789 ^a	−0.164	0.282 ^c	−0.476	0.065 ^c
RZ2	−0.428	0.271 ^b	−1.290	0.734 ^a	0.188	0.245 ^c	−0.025	0.702 ^a
Relative Thickness Ratio vs. Strains -Covered
SZ	2.714	0.124 ^c	2.459	0.080 ^c	1.735	0.384 ^c	6.256	−0.139 ^c
TZ	1.630	0.675 ^b	1.609	0.109 ^c	2.463	0.627 ^c	0.824	0.094 ^c
RZ1	−0.336	−0.586 ^b	−0.022	0.160 ^c	−0.545	−0.600 ^c	−0.477	−0.194 ^c
RZ2	−0.470	−0.508 ^c	−0.440	−0.472 ^c	−0.466	−0.358 ^c	−0.430	−0.080 ^c
Relative Thickness Ratio vs. Strains -Uncovered
SZ	3.804	0.837 ^a	2.497	0.393 ^c	4.386	0.202 ^c	5.145	−0.085 ^c
TZ	2.319	0.837 ^b	5.048	0.035 ^c	1.455	0.043 ^c	1.403	0.145 ^c
RZ1	−0.494	−0.930 ^b	−0.578	−0.041 ^c	−0.226	−0.323 ^c	−0.239	−0.222 ^c
RZ2	−0.524	−0.830 ^c	−0.619	0.103 ^c	−0.291	0.100 ^c	−0.198	−0.037 ^c

The significances of the correlation were indicated by the superscript letter:

P<0.001,

p<0.05,

p>0.05.