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Table 6 Comparison of functional scores between the 2 groups

From: Preoperative serum calcium could be a prognostic factor for surgical treatment of recurrent patellar dislocation: a retrospective study

 

Calcium ≥2.225 (n = 67)

Calcium < 2.225 (n = 32)

P Value

Kujala score

 Preoperative

67.5 ± 19.3

66.6 ± 21.6

.824

 Final Follow-up

88.7 ± 12.2

78.1 ± 15.9

< .001

 

P < .001

P = .002

 

Lysholm score

 Preoperative

66.0 ± 17.8

71.8 ± 16.4

.119

 Final Follow-up

86.2 ± 11.5

84.1 ± 14.8

.444

 

P < .001

P = .001

 

Tegner score

 Preoperative

2.43 ± 0.97

2.28 ± 0.89

.458

 Final Follow-up

4.25 ± 1.58

3.48 ± 1.42

.035

 

P < .001

P = .001

 

IKDC score

 Preoperative

60.4 ± 15.2

62.0 ± 17.4

.633

 Final Follow-up

77.6 ± 10.9

69.0 ± 12.8

.001

 

P < .001

P = .047

 

KOOS Scores

 Pain

  Preoperative

79.0 ± 15.5

75.7 ± 14.0

.317

  Final Follow-up

94.5 ± 6.9

88.3 ± 10.5

.004

 

P < .001

P = .001

 

 Symptoms

  Preoperative

59.4 ± 15.0

64.3 ± 14.0

.132

  Final Follow-up

69.4 ± 15.9

72.1 ± 17.2

.444

 

P = .001

P = .068

 

 ADL

  Preoperative

77.7 ± 16.6

76.2 ± 18.9

.681

  Final Follow-up

97.1 ± 4.5

93.0 ± 7.3

.006

 

P < .001

P < .001

 

 Sports

  Preoperative

49.0 ± 28.7

58.4 ± 31.6

.140

  Final Follow-up

85.1 ± 16.5

71.3 ± 19.6

< .001

 

P < .001

P = .039

 

 QoL

  Preoperative

41.6 ± 22.4

49.4 ± 19.6

.100

  Final Follow-up

66.8 ± 19.9

54.5 ± 22.6

.011

 

P < .001

P = .202

 
  1. Data are presented as mean ± standard deviation. Significant P values are bolded
  2. IKDC International Knee Documentation Committee, KOOS Knee Injury and Osteoarthritis Outcome Score, ADL activities of daily living, QoL quality of life