Table 1.
Comparison of general clinical data and CT features between small gastric GISTs and GLMs (n (%)).
| GISTs group (22 cases) | GLMs group (23 cases) | Statistical | P value | |
|---|---|---|---|---|
| Gender | 1.779① | 0.182 | ||
| Male | 12 (54.54) | 8 (34.78) | ||
| Female | 10 (45.46) | 15 (65.22) | ||
| Average age (years) | 60.50 (51.00, 64.25) | 47.00 (37.00, 54.00) | −3.863④ | <0.001∗ |
| Tumor location | 13.276① | 0.001∗ | ||
| Cardia | 2 (9.09) | 11 (47.83) | ||
| Fundus of stomach | 15 (68.18) | 4 (17.39) | ||
| Gastric body | 5 (22.73) | 8 (34.78) | ||
| Tumor shape | 0.987② | 1.000 | ||
| Smooth | 22 (100) | 22 (95.65) | ||
| Lobular | 0 (0) | 1 (4.35) | ||
| Tumor margin | 2.222② | 0.243 | ||
| Clear | 20 (90.91) | 17 (73.91) | ||
| Verge | 2 (9.09) | 6 (26.09) | ||
| Growth mode | 13.792① | <0.001∗ | ||
| Intraluminal | 10 (45.45) | 22 (95.65) | ||
| Mixed | 12 (54.55) | 1 (4.35) | ||
| Cystic change | 0.301② | 0.489 | ||
| Yes | 1 (4.76) | 0 (0) | ||
| No | 21 (95.24) | 23 (100) | ||
| Calcification | 0.001② | 1.000 | ||
| Yes | 1 (4.76) | 1 (4.35) | ||
| No | 21 (95.24) | 22 (95.65) | ||
| Enhancement mode | 0.178② | 1.000 | ||
| Homogeneous | 20 (90.91) | 20 (86.96) | ||
| Inhomogeneous | 2 (9.09) | 3 (13.04) | ||
| Progressive enhancement | 0.650① | 0.420 | ||
| Yes | 15 (68.18) | 13 (56.52) | ||
| No | 7 (31.82) | 10 (43.48) | ||
| Adjacent enlarged lymph nodes | 2.001② | 0.489 | ||
| Yes | 0 (0) | 2 (8.70) | ||
| No | 22 (100) | 21 (91.30) | ||
| Tumor maximum diameter (cm) | 1.80 (1.40, 2.33) | 1.30 (1.10, 1.90) | −1.707④ | 0.088 |
| Plain CT value (Hu) | 37.32 ± 7.82 | 46.48 ± 8.63 | −3.727③ | 0.001∗ |
| CT value of phase A (Hu) | 57.50 ± 12.31 | 59.65 ± 8.93 | −0.674③ | 0.504 |
| R-A | 0.19 (0.15, 0.21) | 0.18 (0.17, 0.21) | −0.352④ | 0.725 |
| CT value of phase V (Hu) | 69.86 ± 11.74 | 67.43 ± 9.63 | 0.760③ | 0.451 |
| R–V | 0.49 (0.45, 0.55) | 0.44 (0.42, 0.52) | −1.953④ | 0.051 |
| CT value of phase D (Hu) | 73.23 ± 11.95 | 73.43 ± 10.05 | −0.063③ | 0.950 |
| R-D | 0.71 ± 0.10 | 0.68 ± 0.09 | 1.140③ | 0.261 |
Note. ① represents the chi-square test, ② represents the correction chi-square test, ③ represents the T test, ④ represents the Mann−Whitney U test; ∗indicates a statistical difference.