Table 2 Comparison of area, maximal diameter, MR signal intensity ratio of meningioma between observation and treatment groups
From: Changes in radiomic and radiologic features in meningiomas after radiation therapy
Pre | Post | P | Difference | P | ||
|---|---|---|---|---|---|---|
Area (mm2) | Observation group (n = 100) | 89.55 (50.70-152.91) | 111.02(60.75-218.45) | < 0.0001 | 16.85 (6.71–42.44) | < 0.0001 |
Treatment group (n = 62) | 195.07 (124.37-305.69) | 195.01 (111.62- 322.04) | 0.12 | -10.25 (-27.85-16.64) | ||
Maximal diameter (mm) | Observation group (n = 100) | 10.75 (7.18–14.09) | 11.72 (8.23–16.17) | < 0.0001 | 0.91 (0.32–2.36) | < 0.0001 |
Treatment group (n = 62) | 15.06 (12.18–18.01) | 14.65 (11.90- 18.76) | 0.12 | -0.41 (-1.46 to 0.49) | ||
T1 signal ratio | Observation group (n = 100) | 0.74 (0.59–0.84) | 0.67 (0.54–0.82) | 0.09 | -0.009 (-0.11- 0.05) | 0.38 |
Treatment group (n = 62) | 0.78 (0.62–0.88) | 0.71 (0.58–0.84) | 0.02 | -0.04 (-0.14 to 0.05) | ||
T2 signal ratio | Observation group (n = 100) | 1.29 (1.08 to 1.52) | 1.28 (1.01 to 1.45) | < 0.05 | -0.07 (-0.18 to 0.05) | 0.95 |
Treatment group (n = 62) | 1.14 (1.21 to 1.56) | 1.34 (1.09 to 1.59) | 0.04 | -0.06 (-0.23 to 0.07) | ||
CE-T1 signal ratio | Observation group (n = 100) | 1.70 (1.42–2.07) | 1.67 (1.48–1.99) | 0.51 | 0.009 (-0.23- 0.31) | 0.07 |
Treatment group (n = 62) | 1.88 (1.62–2.16) | 1.75 (1.55–2.21) | 0.09 | -0.09 (-0.34 to 0.16) | ||
FLAIR signal ratio | Observation group (n = 100) | 1.15 ± 0.36 | 1.08 ± 0.34 | 0.0061 | -0.05 (-0.16-0.07) | 0.66 |
Treatment group (n = 62) | 1.27 ± 0.27 | 1.19 ± 0.31 | 0.01 | -0.06 (-0.19 to 0.07) | ||
CE-FLAIR signal ratio | Observation group (n = 100) | 1.34 ± 0.46 | 1.28 ± 0.43 | 0.13 | -0.04 (-0.22 to 0.11) | 0.85 |
Treatment group (n = 62) | 1.51 ± 0.45 | 1.44 ± 0.41 | 0.28 | -0.03 (-0.21 to 0.18) |