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Table 1 Clinical characteristics and results

From: The effect of robot-navigation-assisted core decompression on early stage osteonecrosis of the femoral head

 

CCD group (n = 20 hips)

RCD group (n = 16 hips)

p

Age (years)

35.30 ± 4.72

34.88 ± 3.81

0.772

Gender

  

1.000

 Male

8

7

 Female

3

2

BMI (kg/m2)

26.32 ± 3.50

26.45 ± 2.99

0.903

ARCO classification

  

0.648

 2a

3

1

 2b

4

2

 2c

13

13

HHS (preoperative)

68.95 ± 4.80

69.38 ± 3.65

0.771

VAS (preoperative)

4.10 ± 0.91

3.75 ± 0.93

0.265

HHS (last follow-up)

86.00 ± 4.29

86.00 ± 3.72

1.000

VAS (last follow-up)

1.40 ± 0.883

1.31 ± 0.704

0.749