Table 3.
Discrepancies in lumpectomy cavity (LC) volumes; in conformity index and in distances between centres of gravity of each LC volume when the study was restricted to CT slices containing surgical clips.
| Volume of lumpectomy cavity - cm3 (n = 40) | P* | Conformity index | Distance between gravity centres (mm) | ||
|---|---|---|---|---|---|
| ΔJ1-J2 | Med (min; max) |
- 0.9 (-17.9; 13.1) |
0.02 | 0.64 (0.36; 0.80) |
2.2 (0.0; 11.9) |
| ΔJ1-E1 | Med (min; max) |
1.5 (-4.5; 17.7) |
0.007 | 0.65 (0.13; 0.82) |
1.8 (0.5; 26.3) |
| ΔJ1-E2 | Med (min; max) |
3.5 (-20.9; 24.5) |
< 0.0001 | 0.57 (0.09; 0.77) |
2.4 (0.6; 30.9) |
| ΔJ2-E1 | Med (min; max) |
3.5 (-4.9; 22.8) |
< 0.0001 | 0.57 (0.24; 0.86) |
2.4 (0.7; 20.4) |
| ΔJ2-E2 | Med (min; max) |
4.2 (-7.5; 27.1) |
< 0.0001 | 0.55 (0.07; 0.88) |
3.1 (1.3; 24.7) |
| ΔE1-E2 | Med (min; max) |
1.6 (-27.4; 10.2) |
< 0.0002 | 0.62 (0.38; 0.73) |
2.51 (0.2; 10.0) |
* p value for testing equality of volumes between physicians ( < 0.01 is significant).
ΔJ1-J2 = between J1 and J2. ΔJ1-E1 = between J1 and E1. ΔJ1-E2 = between J1 and E2. ΔJ2-E1 = between J2 and E1. ΔJ2-E1 = between J2 and E2. ΔE1-E2 = between E1 and E2.