Type
|
Variable
|
Diagram
|
AUC
|
%Agreement
|
Kappa
|
PABAK
|
χ2
|
p value
|
Sensitivity
|
Specificity
|
+LR
|
-LR
|
---|
aLPR
|
CA_FP_PL@59 and Timing < 38%
|
CA
|
0.73
|
74.55
|
0.47 (0.32–0.60)
|
0.49 (0.33–0.62)
|
38.33
|
<0.001
|
0.60 (0.52–0.67)
|
0.86 (0.79–0.91)
|
4.27 (2.49–7.62)
|
0.46 (0.36–0.61)
|
JUD
|
LMin_PL ≥ 6
|
PP
|
0.85
|
85.93
|
0.50 (0.30–0.59)
|
0.73 (0.58–0.84)
|
40.55
|
<0.001
|
0.43 (0.30–0.49)
|
0.98 (0.94–0.99)
|
22.75 (5.44–143.44)
|
0.58 (0.51–0.74)
|
LSum_CA ≥ 15
|
CA
|
0.66
|
85.19
|
0.46 (0.26–0.51)
|
0.71 (0.55–0.82)
|
36.75
|
<0.001
|
0.37 (0.25–0.40)
|
0.99 (0.96–0.1.00)
|
38.5 (5.69–796.05)
|
0.64 (0.60–0.79)
|
- Typical (N = 108); Altered lumbopelvic rhythm (aLPR; N = 57); Judder (JUD; N = 30)
-
AUC Area under the receiver operating characteristic curve, PABAK Prevalence-adjusted bias-adjusted kappa, +LR Positive likelihood ratio, −LR Negative likelihood ratio, CA Coupling-angle diagram, PP Phase-plane diagram, CA_FP_PL@59 and Timing < 38% Coupling angle of pelvis and lumbar spine at 59 degrees cut-off and 38% of movement in coupling angle reached 59 degrees for FP-PL, LMin_PL Number of local minimum occurrences (lumbar spine), LSum_CA Total number of local minimum and maximum occurrences (lumbopelvic coupling angle)