Table 2.
Comparison of pancreatic serous cystadenoma and mucinous cystadenoma using overlapping textural parameters selected by lasso method and random forest method.
| Slice thickness | Parameters |
Serous cystadenoma (Mean ± standard deviation) |
Mucinous cystadenoma (Mean ± standard deviation) |
p-value |
|---|---|---|---|---|
| 2 mm | GLRLM_ SRHGE | 9618.45 ± 110.29 | 8994.58 ± 164.91 | 0.002 |
| GLRLM_ GLNU | 1708.81 ± 350.35 | 19224.34 ± 6939.86 | 0.022 | |
| GLRLM_RLNU | 9022.23 ± 1774.52 | 64048.26 ± 23074.55 | 0.029 | |
| GLZLM_LZE | 20934.36 ± 5788.32 | 62766.20 ± 20660.20 | 0.066 | |
| GLZLM_SZHGE | 6492.92 ± 55.31 | 5880.79 ± 367.91 | 0.117 | |
| 5 mm | GLRLM_ GLNU | 982.43 ± 201.15 | 10572.27 ± 3414.19 | 0.013 |
| GLRLM_RLNU | 4468.52 ± 982.31 | 32363.30 ± 10314.21 | 0.016 | |
| GLZLM_LZHGE | 175851321.56 ± 49625896.38 | 1353775484.89 ± 482202975.93 | 0.027 | |
| GLZLM_ZLNU | 208.25 ± 40.94 | 1120.54 ± 341.00 | 0.017 |
GLRLM, Gray level run length matrix; GLZLM, Gray level zone length matrix; SRHGE, Short-nun high gray-level emphasis; GLNU, Gray-level non-uniformity; RLNU, Run length non-uniformity; LZE, Long-zone emphasis; SZHGE, Short-zone high gray-level emphasis; LZHGE, Long-zone high gray-level emphasis; ZLNU, Zone length non-uniformity. The bold values indicate that the corresponding textural features of the two groups are significantly different.