|
Parameters
|
Mean (SD)
|
t test ( p)
|
|---|
|
Test 1
|
Test 2
|
|---|
|
Length of the spiral thread (cm)
|
520 (25)
|
373 (29)
|
4.22 (<0.001)
|
|
Surface of the capture area (cm2)
|
114 (11)
|
98 (12)
|
4.02 (<0.001)
|
|
Asymmetry
|
0.3 (0.03)
|
0.26 (.03)
|
1.28 (0.21)
|
|
Number of radii
|
26 (1)
|
24 (1)
|
1.27 (0.22)
|
|
Length of the lower part (cm)
|
8.5 (0.5)
|
6.1 (0.4)
|
3.54 (0.002)
|
|
Number of spiral turns
|
31 (1)
|
26 (2)
|
2.39 (0.025)
|
|
Mesh height (mm)
|
2.7 (0.2)
|
2.7 (0.2)
|
0.34 (0.74)
|
|
Anomaly ratio (A/CTL)
|
8 (0)
|
16 (2)
|
4.34 (<0.001)
|
- Comparisons were made between tests 1 and 2 (t test for paired data, n = 25). Italicised characters indicate that the difference is significant at least at p < 0.05.
