Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 1 Values of bone mineral density in Hounsfield units of analogous ROI locations at S1 and S2 with differences
Patient no. | S1 anterior | S2 anterior | Difference | S1 posterior | S2 posterior | Difference 2 | S1 right | S2 right | Difference 3 | S1 left | S2 left | Difference 4 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 295.9 | 226.9 | 69 | 261.5 | 205 | 56.5 | 321.2 | 158.9 | 162.3 | 288.1 | 156.3 | 131.8 |
2 | 240.9 | 140.9 | 100 | 170.3 | 98.9 | 71.4 | 270.2 | 106.1 | 164.1 | 259.7 | 92.3 | 167.4 |
3 | 1313 | 1272.4 | 40.6 | 1358.7 | 1298.6 | 60.1 | 1369 | 1294.5 | 74.5 | 1310 | 1288.7 | 21.3 |
4 | 280.9 | 236.2 | 44.7 | 211.8 | 200 | 11.8 | 296.7 | 186.8 | 109.9 | 294.8 | 174.3 | 120.5 |
5 | 229.5 | 239.3 | −9.8 | 263 | 164.9 | 98.1 | 263 | 218.1 | 44.9 | 256.8 | 244.3 | 12.5 |
6 | 230.1 | 236.3 | −6.2 | 256.7 | 134.9 | 121.8 | 313.5 | 177.5 | 136 | 323.8 | 180.7 | 143.1 |
7 | 1341.3 | 1279.4 | 61.9 | 1348.8 | 1262.9 | 85.9 | 1335.9 | 1306.1 | 29.8 | 1355.6 | 1277.3 | 78.3 |
8 | 1342.1 | 1279.2 | 62.9 | 1292.7 | 1265.5 | 27.2 | 1263.3 | 1237.2 | 26.1 | 1258.9 | 1222.2 | 36.7 |
9 | 1292.3 | 1237.3 | 55 | 1263.8 | 1146.6 | 117.2 | 1148.1 | 1103.6 | 44.5 | 1154.5 | 1142.2 | 12.3 |
10 | 306.7 | 268.6 | 38.1 | 331.4 | 200.1 | 131.3 | 266.5 | 222.4 | 44.1 | 307 | 224.7 | 82.3 |
11 | 361.4 | 373.9 | −12.5 | 547.3 | 391.2 | 156.1 | 447.3 | 344.5 | 102.8 | 411.9 | 393.5 | 18.4 |
12 | 1392.7 | 1230.8 | 161.9 | 1389.2 | 1234.3 | 154.9 | 1398.8 | 1191.3 | 207.5 | 1417.7 | 1240.4 | 177.3 |
13 | 293.4 | 233.4 | 60 | 393.3 | 80.3 | 313 | 283.4 | 160.8 | 122.6 | 267.9 | 153.4 | 114.5 |
14 | 139.5 | 97 | 42.5 | 138.5 | 41.9 | 96.6 | 190 | 38.7 | 151.3 | 216.6 | 43 | 173.6 |
15 | 287.1 | 408.7 | −121.6 | 341.9 | 290.6 | 51.3 | 379 | 256.7 | 122.3 | 309.1 | 296.6 | 12.5 |
16 | 247.8 | 223 | 24.8 | 212.3 | 151.7 | 60.6 | 305.2 | 136 | 169.2 | 254.1 | 163.2 | 90.9 |
17 | 212.2 | 167.7 | 44.5 | 188.2 | 106.2 | 82 | 150.2 | 152.6 | −2.4 | 146.1 | 124.3 | 21.8 |
18 | 248.7 | 277.9 | −29.2 | 261.7 | 158 | 103.7 | 388.4 | 197.2 | 191.2 | 328.5 | 173.2 | 155.3 |
19 | 223.4 | 196.3 | 27.1 | 248.9 | 215.2 | 33.7 | 268.2 | 139.7 | 128.5 | 275.3 | 220.4 | 54.9 |
20 | 271.7 | 279.3 | −7.6 | 292.4 | 189.4 | 103 | 305.2 | 217.8 | 87.4 | 317.7 | 176.8 | 140.9 |
21 | 207.9 | 77.9 | 130 | 235 | 58 | 177 | 128.1 | 39.3 | 88.8 | 167.1 | 44.5 | 122.6 |
22 | 407.5 | 207.7 | 199.8 | 401.9 | 202.4 | 199.5 | 311.9 | 191.3 | 120.6 | 365.2 | 237.7 | 127.5 |
23 | 155.5 | 129.4 | 26.1 | 162.1 | 166.2 | −4.1 | 254.9 | 97.6 | 157.3 | 203.3 | 119.1 | 84.2 |
24 | 367.5 | 181.4 | 186.1 | 172.5 | 66.4 | 106.1 | 232.7 | 143.9 | 88.8 | 258.8 | 137.9 | 120.9 |
25 | 422.2 | 306.8 | 115.4 | 370.9 | 223.9 | 147 | 384.3 | 196.2 | 188.1 | 367.5 | 224 | 143.5 |
52.14 (p = 0.0011) | 102.47 (p < 0.0001) | 110.41 (p < 0.0001) | 94.6 (p < 0.0001) |