Table 1 Patient characteristics and CT scan-related dosages.
Group A (n = 45) | Group B (n = 45) | Group C (n = 45) | Statistics | P value | |
|---|---|---|---|---|---|
Male/female, n | 26/19 | 27/18 | 30/15 | 0.56 | 0.75 |
Age, years | 54.40 ± 15.09 | 57.51 ± 12.74 | 57.33 ± 12.51 | 0.47 | 0.47 |
BMI, kg/m2 | 23.65 ± 2.82 | 23.96 ± 3.45 | 23.27 ± 2.50 | 0.61 | 0.54 |
Underlying disease and surgery | |||||
Diabetes | 21 | 28 | 25 | 2.21 | 0.33 |
Hypertension | 35 | 29 | 30 | 2.17 | 0.33 |
Coronary disease | 12 | 9 | 15 | 2.04 | 0.36 |
Surgery | 4 | 3 | 3 | 0.21 | 0.89 |
Others | 5 | 4 | 5 | 0.15 | 0.92 |
Scan length, cm | 1171.82 ± 63.02 | 1189.91 ± 70.90 | 1195.98 ± 61.50 | 1.66 | 0.19 |
DLP, mGy* cm | 653.00 ± 34.01 | 591.43 ± 31.65 | 595.83 ± 28.52 | 53.85 | < 0.001ab |
ED, mSv | 4.04 ± 0.34 | 3.60 ± 0.34 | 3.53 ± 0.29 | 31.88 | < 0.001ab |
Contrast medium, mL | 105 | 95 | 85 | 134 | < 0.001abc |
