|
Patient groups according to CT technique |
Statistical analysis |
||||||
|
All |
Spiral 120 kV (1) |
Sipral 100 kV (2) |
Axial (3) |
1vs2 |
1vs3 |
2vs3 |
|
|
# (%) |
998(100) |
573 (57.4) |
308 (30.9) |
117 (11.7) |
- |
- |
- |
|
Age (years) |
65(16) |
64 (17) |
66 (16) |
63 (14) |
ns |
ns |
ns |
|
Sex: M/F # (%) |
669/329 (67/33) |
387/186 (68/32) |
203/105 (66/34) |
79/38 (68/34) |
ns |
ns |
ns |
|
BMI |
26.3(4.7) |
26.6 (4.99) |
25.6 (4.61) |
26.7 (6.1) |
p < 0.001 |
ns |
ns |
|
Heart rate (bpm) |
58 (11) |
60 (12) |
60 (14) |
55 (12) |
ns |
ns |
ns |
|
Sistolic blood pressure (mmHg) |
140(29.7) |
140 (30) |
140 (25) |
135 (30) |
ns |
p < 0.02 |
ns |
|
Diastolic blood pressure (mmHg) |
80 (14.2) |
80 (14.2) |
80 (10) |
75 (10) |
ns |
ns |
ns |
|
DLP (mGy*cm) |
995 (832) |
1384.5 (575.8) |
670.4 (192.1) |
316.5 (149.9) |
p < 0.001 |
p < 0.001 |
p < 0.001 |
|
CTDIvol (mGy) |
49.7 (41.6) |
69.2 (40.1) |
35.5 (9.1) |
15.8 (7.5) |
p < 0.001 |
p < 0.001 |
p < 0.001 |
|
SSE (mGy) |
55.6 (47.5) |
81.1 (49.9) |
40.9 (14.8) |
18.4 (8.3) |
p < 0.001 |
p < 0.001 |
p < 0.001 |
|
EffectiveDose (mSv) |
13.9 (11.7) |
19.38 (11.23) |
9.38 (2.69) |
4.43 (2.81) |
p < 0.001 |
p < 0.001 |
p < 0.001 |