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Table 1 Demographic characteristics of patients used in this study

From: Comparison of the therapeutic effect between the simultaneous and staged unicompartmental knee arthroplasty (UKA) for bilateral knee medial compartment arthritis

Item

Group A (n = 39)

Group B (n = 54)

t/χ2

P Value

Age (years)

64.9 ± 7.7

64.2 ± 6.4

0.492

0.624

Gender (male/female)

6:33

5:49

0.333

0.564

Weight (kg)

62.8 ± 4.3

61.9 ± 4.8

0.955

0.342

Height (cm)

162.6 ± 6.4

162.5 ± 6.5

0.057

0.955

BMI (kg/m2)

23.9 ± 2.5

23.5 ± 2.6

0.583

0.561

ASA class

2.1 ± 0.5

2.1 ± 0.5

0.012

0.990

Comorbidity(n, %)

14 (35.9%)

26 (48.1%)

1.387

0.239

 Hypertension

7

11

  

 CAOD

3

4

  

 Arrhythmia

0

1

  

 Pulmonary disease

1

2

  

 Diabetes mellitus

3

7

  

 CKD

0

0

  

 CVA

0

1

  
  1. Abbreviations: BMI body mass index, ASA American Society of Anesthesiologists, CAOD coronary artery obstructive disease, CKD chronic kidney disease, CVA cerebral vascular accident, KS knee society score