|
View
|
Observer
|
Reading
|
n
|
M0
|
M36
|
ΔM36–M0
|
|---|
| | | | |
Mean (mm)
|
SD
|
Min
|
Max
|
Mean (mm)
|
SD
|
Min
|
Max
|
Mean (mm)
|
SD
|
Min
|
Max
|
|---|
|
Pelvic
|
1
|
1
|
50
|
2.33
|
0.81
|
0.70
|
4.10
|
1.93
|
1.06
|
0.0
|
4.40
|
-0.40
|
0.65
|
-2.10
|
+0.80
|
| | |
2
|
50
|
2.34
|
0.81
|
0.70
|
4.20
|
1.85
|
0.97
|
0.0
|
4.10
|
-0.49
|
0.54
|
-1.90
|
+0.40
|
| |
2
|
1
|
50
|
2.67
|
1.07
|
0.90
|
5.50
|
2.13
|
1.35
|
0.0
|
5.50
|
-0.54
|
0.66
|
-2.30
|
+0.40
|
| | |
2
|
50
|
2.66
|
1.02
|
0.70
|
5.10
|
2.16
|
1.31
|
0.0
|
5.20
|
-0.49
|
0.67
|
-2.20
|
+0.20
|
| |
Mean (1 + 2)
|
1
|
50
|
2.50
|
0.91
|
0.70
|
4.65
|
2.03
|
1.17
|
0.0
|
4.95
|
-0.47
|
0.62
|
-2.05
|
+0.45
|
| | |
2
|
50
|
2.50
|
0.89
|
0.70
|
4.50
|
2.01
|
1.11
|
0.0
|
4.55
|
-0.49
|
0.57
|
-2.05
|
+0.30
|
|
Hip AP
|
1
|
1
|
50
|
2.41
|
0.86
|
0.70
|
4.30
|
2.02
|
1.13
|
0.0
|
4.40
|
-0.39
|
0.61
|
-2.00
|
+0.60
|
| | |
2
|
50
|
2.40
|
0.86
|
0.80
|
4.50
|
1.94
|
1.07
|
0.0
|
4.30
|
-0.46
|
0.59
|
-1.90
|
+0.70
|
| |
2
|
1
|
50
|
2.69
|
1.05
|
0.60
|
5.50
|
2.19
|
1.34
|
0.0
|
5.50
|
-0.49
|
0.66
|
-2.10
|
+0.50
|
| | |
2
|
50
|
2.68
|
1.01
|
0.70
|
5.50
|
2.19
|
1.30
|
0.0
|
5.00
|
-0.49
|
0.66
|
-2.20
|
+0.60
|
| |
Mean (1 + 2)
|
1
|
50
|
2.55
|
0.94
|
0.65
|
4.90
|
2.11
|
1.22
|
0.0
|
4.95
|
-0.44
|
0.62
|
-2.05
|
+0.55
|
| | |
2
|
50
|
2.54
|
0.92
|
0.75
|
5.00
|
2.06
|
1.17
|
0.0
|
4.55
|
-0.48
|
0.60
|
-1.95
|
+0.65
|
|
Oblique
|
1
|
1
|
50
|
2.37
|
0.79
|
0.70
|
3.70
|
1.92
|
1.05
|
0.0
|
3.80
|
-0.46
|
0.59
|
-2.20
|
+0.50
|
| | |
2
|
50
|
2.29
|
0.78
|
0.40
|
3.60
|
1.92
|
1.02
|
0.0
|
4.10
|
-0.37
|
0.50
|
-1.70
|
+0.70
|
| |
2
|
1
|
50
|
2.69
|
1.00
|
0.50
|
5.00
|
2.21
|
1.28
|
0.0
|
5.00
|
-0.47
|
0.67
|
-2.40
|
+1.20
|
| | |
2
|
50
|
2.70
|
1.01
|
0.60
|
5.00
|
2.18
|
1.27
|
0.0
|
5.00
|
-0.52
|
0.64
|
-2.30
|
+0.20
|
| |
Mean (1 + 2)
|
1
|
50
|
2.53
|
0.85
|
0.75
|
4.15
|
2.07
|
1.13
|
0.0
|
3.95
|
-0.46
|
0.61
|
-2.15
|
+0.65
|
| | |
2
|
50
|
2.50
|
0.87
|
0.50
|
4.20
|
2.05
|
1.13
|
0.0
|
4.95
|
-0.45
|
0.53
|
-1.95
|
+0.35
|
- Shown are the general results of radiographic measurements of joint space width (JSW) at baseline (M0) and 36 months (M36), and the joint space change for the three views and two observers (and their mean and SD). AP, anteroposterior; Δ, difference; SD, standard deviation.
