Table 2.
Comparisons of each Parameters between Malignant and Benign Groups
| Characteristic | Grouping | Total | Statistical Magnitude | P value | |
|---|---|---|---|---|---|
| Malignant | Benign | ||||
| Age(y) | 59 (55.8 ± 14.1) | 56 (54.8 ± 13.6) | 58.5 (55.3 ± 13.8) | Z = -0.112 | 0.911 |
| Sex | χ2 = 1.322 | 0.336 | |||
| Male | 23 (58.97%) | 16 (41.03%) | 39 | ||
| Female | 16 (51.61%) | 15 (48.39%) | 31 | ||
| FDG uptake | χ2 = 6.911 | 0.009 | |||
| Higher | 30 (81.1%) | 17 (51.5%) | 47 | ||
| Opposite | 7 (18.9%) | 16 (48.5%) | 23 | ||
| FDG distribution | χ2 = 8.036 | 0.005 | |||
| Heterogeneously | 28 (75.7%) | 14 (42.4%) | 42 | ||
| Homogeneously | 9 (24.3%) | 19 (57.6%) | 28 | ||
| Boundary | χ2 = 8.226 | 0.004 | |||
| Obscure | 30 (81.1%) | 16 (48.5%) | 46 | ||
| Clear | 7 (18.9%) | 17 (51.5%) | 24 | ||
| Density | χ2 = 6.708 | 0.010 | |||
| Uneven | 27 (73.0%) | 14 (42.4%) | 41 | ||
| Uniform | 10 (27.0%) | 19 (57.6%) | 29 | ||
| Size (cm) | 7 (7.5 ± 4.2) | 3.8 (4.8 ± 5.2) | 5.3 (6.2 ± 4.9) | Z = -3.490 | < 0.001 |
| SUVmaxa | 8.7 (12.4 ± 9) | 4.7 (7 ± 5.2) | 6.9 (9.8 ± 7.9) | Z = -3.507 | < 0.001 |
| MTVb(cm3) | 36 (57.7 ± 54.9) | 15 (18.8 ± 16.5) | 24.8 (39.4 ± 45.6) | Z = -3.406 | 0.001 |
| TLGc | 251.4 (426.3 ± 513.8) | 37.6 (81.1 ± 119.8) | 102.4 (263.6 ± 417.7) | Z = -4.159 | < 0.001 |
| HFd | 0.84 (1.39 ± 1.31) | 0.54 (0.38 ± 0.35) | 0.56 (0.92 ± 1.1) | Z = -4.171 | < 0.001 |
a for maximum standardized uptake value, b for metabolic tumor volume, c for total lesion glycolysis, d for heterogeneous factor, statistical description by n (%) or median (−χ ± s)