Table 1 Comparison of structural and textural parameters between OP and OA

App BV/TV (%)

0.3471 ± 0.0099

0.3528 ± 0.0121

0.048 ^a

App Tb.N (mm^-1)

1.2820 ± 0.1181

1.2566 ± 0.1038

0.381

App Tb.Th (mm)

0.2747 ± 0.0223

0.2856 ± 0.0175

0.041 ^a

App Tb.Sp (mm)

0.5193 ± 0.0531

0.5275 ± 0.0519

0.547

Mean trabecular area (mm²)

2.0808 ± 0.1909

2.1324 ± 0.3576

0.489

Mean trabecular perimeter (mm²)

6.9339 ± 0.3294

6.9005 ± 0.4830

0.756

Mean roundness

0.3907 ± 0.0089

0.3953 ± 0.0080

0.043 ^a

Mean skeleton length (mm²)

3.8406 ± 0.2346

3.8124 ± 0.3363

0.708

Total skeleton length (mm²)

286.85 ± 18.96

283.55 ± 18.65

0.500

Euler

0.1503 ± 0.0164

0.1397 ± 0.0213

0.035 ^a

Entropy

1.0578 ± 0.1495

0.95555 ± 0.1975

0.027 ^a

Energy

0.1403 ± 0.0490

0.1643 ± 0.0660

0.115

Inertia

0.8888 ± 0.2354

0.6983 ± 0.2763

0.006^b

Absolute Value

0.6284 ± 0.1090

0.5685 ± 0.1359

0.064

Inverse Difference

0.7035 ± 0.0450

0.7319 ± 0.0755

0.082

Contrast

5748.84 ± 2345.99

4144.20 ± 2227.52

0.009 ^b

Angular Second Moment (×10^-2)

2.321 ± 0.4913

2.577 ± 0.6877

0.103

Inverse Different Moment

2.1602 ± 1.0454

2.8383 ± 1.1487

0.020^a