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Table 3 Outcomes Regarding Hip Function

From: Monobloc implants in cementless total hip arthroplasty in patients with Legg-Calve-Perthes disease: a long-term follow-up

Variables, mean ± SD

Patients (N = 71)

P

Preoperative

Postoperative

HHS

 Mean in points

46.42 ± 6.11

89.70 ± 5.46

0.01

 Rating [no.[%]of patients]

   

 Excellent (90–100 points)

0

45(64.38%)

 

 Good (80–89 points)

0

23(32.39%)

 

 Fair (70–79 points)

0

3(4.23%)

 

 Poor (<70)

71(100%)

0

 

VAS Pain

5.11 ± 1.30

0.30 ± 0.54

0.01

ROM

 Flexion

90.13 ± 11.24

120.32 ± 4.94

0.01

 Abduction

29.28 ± 5.50

41.26 ± 3.73

0.01

HOOS

 Symptoms

11.37 ± 2.40

17.19 ± 1.45

0.01

 Pain

19.39 ± 5.90

37.32 ± 2.05

0.01

 Daily living

34.80 ± 3.78

65.77 ± 1.17

0.01

 Sports and recreational activities

8.07 ± 1.77

14.55 ± 1.96

0.01

 Quality of life

6.62 ± 1.21

13.42 ± 1.31

0.01

SF-12

   

 PCS

15.80 ± 2.69

23.11 ± 2.78

0.01

 MCS

16.63 ± 2.80

24.55 ± 3.13

0.01

Limp [no.[%]of patients]

  

0.01

 Severe

0

0

 

 Moderate

34(47.89%)

0

 

 Slight

20(28.17%)

3(4.23%)

 

 None

17(23.94%)

68(95.77%)

 

Limb length discrepancy

 Mean in mm

24.3 ± 7.8

2.4 ± 2.8

0.01

 Rating [no.[%]of hips]

   

  < 10

5(5.68%)

87(98.86%)

 

 10–20

21(23.86%)

1(1.14%)

 

 20–30

36(40.91%)

0

 

 30–40

26(29.55%)

0

 
  1. HHS Harris Hip Score, VAS Visual Analogue Scale, HOOS Hip dysfunction and Osteoarthritis Outcome Score, ROM range of motion; SF-12: 12-item short-form health survey questionnaire, PCS physical component summary, MCS mental component summary