Table 5 Correlation analysis of DLP (mGy-cm) and patient diameter
Patients | DLP (mGy · cm) | Body diameter (mm): lateral | Body diameter (mm): transverse | Spearman correlation coefficient (rho) – lateral diameter/DLP | Spearman correlation coefficient (rho) – transverse diameter/DLP | ||
|---|---|---|---|---|---|---|---|
Group 1 | Patients 100 kV | 32 | 564 (390–871) | 327.3 (280.7–408) | 228.2 (150.7–317.2) | 0.81 | 0.87 |
Patients 120 kV | 17 | 833 (470–1235) | 351.2 (281.1–452.5) | 249 (165.7–346.8) | 0.80 | 0.85 | |
Patients 140 kV | 6 | 1302 (1157–2203) | 442.5 (401.5–478) | 290.1 (259–409) | 0.42 | 0.43 | |
Group 2 | Patients 120 kV | 55 | 756 (345–2267) | 330.8 (196.3–496.1) | 241.9 (155.9–446.3) | 0.88 | 0.82 |