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Group A
|
Group B
|
Group C
|
p value
|
|---|
|
Number of patients (n)
|
20
|
15
|
21
|
/
|
|
Number of knees (n)
|
29
|
26
|
36
|
/
|
|
Number of operated knees (unilateral/bilateral) (n)
|
11/9
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4/11
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6/15
|
/
|
|
Age (years)
|
53.91 ± 11.02
|
53.51 ± 11.11
|
48.21 ± 11.94
|
0.88
|
|
BMI (kg/m2)
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23.42 ± 2.86
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22.52 ± 3.84
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22.12 ± 4.24
|
0.40
|
|
Sex (female/male) (n)
|
14/6
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13/2
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18/3
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0.35
|
|
DAS28
|
2.56 ± 0.63
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2.68 ± 0.43
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2.36 ± 0.63
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0.09
|
|
Flexion deformity (%)
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15 (51.72)
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18 (69.23)
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22 (61.11)
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0.41
|
|
General anesthesia/non general anesthesia(n)
|
12/8
|
12/3
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13/8
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0.31
|
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Duration of medication treatment after surgery(years)
|
N/A
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8.13 ± 2.42
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8.33 ± 2.63
|
0.80
|
|
Pre-op HSS
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43.61 ± 16.32
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42.02 ± 14.32
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42.01 ± 17.73
|
0.91
|
|
Pre-op ROM (°)
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78.51 ± 34.79
|
78.73 ± 30.82
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89.81 ± 28.22
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0.25
|
|
Pre-op pain
|
4.96 ± 0.96
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4.65 ± 1.02
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3.48 ± 0.87
|
0.06
|
|
Pre-op function
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18.28 ± 7.11
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18.85 ± 7.79
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18.00 ± 9.09
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0.92
|
|
Pre-op VAS
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5.93 ± 0.59
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6.37 ± 0.63
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6.76 ± 0.53
|
0.12
|
|
Pre-op WBC (*109/L)
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6.75 ± 1.81
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7 ± 1.92
|
7.05 ± 2.58
|
0.88
|
|
Pre-op HGB (g/L)
|
119.12 ± 17.09
|
111.21 ± 14.22
|
116.22 ± 18.21
|
0.34
|
|
Pre-op CRP (mg/L) #
|
4.5 (1.6–15.3)
|
15.0 (4.0–27.9)
|
8.5 (1.7–25.9)
|
0.18
|
|
Pre-op ESR (mm/h) #
|
27.0 (12.0–64.0)
|
58.0 (38.5–78.0)
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32.0 (14.5–65.3)
|
0.06
|
|
Pre-op RF (U/ml) #
|
39.0 (10.4–106.0)
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64.0 (28.0–189.5)
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31.2 (10.7–131.3)
|
0.32
|
- n case number, TKA total knee arthroplasty, BMI body mass index, DAS28 Disease Activity Score 28-joint, Pre-op preoperative, HSS Hospital for Special Surgery score, ROM range of motion, VAS visual analog scale, WBC white blood cell, HGB hemoglobin, CRP C-reaction protein, ESR erythrocyte sedimentation rate, RF rheumatoid factor, N/A not applicable
- # Data were described as “median (interquartile range)” with Kruskal-Wallis test
