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Table 2 Therapeutic evaluation

From: Prosthetic articulating spacers as a preferred option for two-stage revision arthroplasty in chronic periprosthetic joint infection

 

PS group (n = 48)

CS group (n = 65)

P-value

TSR (n = 28)

DJS (n = 20)

TSR (n = 46)

DJS (n = 19)

PS-TSR VS CS-TSR

PS-DJS VS CS-DJS

PS VS CS

Preoperative VAS

4.78 ± 1.33

4.90 ± 1.03

4.92 ± 1.49

4.93 ± 1.13

0.950

0.886

0.963

Postoperative VAS

3.03 ± 2.11

3.19 ± 2.12

2.64 ± 1.12

3.22 ± 2.01

0.519

0.668

0.412

Preoperative HHS

40.72 ± 8.61

42.72 ± 8.51

48.22 ± 10.44

42.62 ± 8.61

0.550

0.845

0.410

Postoperative HHS of first-stage

72.33 ± 12.13

69.93 ± 12.33

64.64 ± 18.60

63.55 ± 11.33

/

/

0.021

Preoperative KSS

37.66 ± 9.22

38.96 ± 9.22

44.88 ± 8.01

38.96 ± 9.22

0.220

0.201

0.203

Postoperative KSS of first-stage

68.45 ± 6.68

66.35 ± 6.18

60.50 ± 9.18

60.95 ± 6.18

/

/

0.022

Joint function score of second-stage

72.66 ± 7.33

/

69.03 ± 7.45

/

0.323

/

/

Reinfection

3

2

3

3

0.522

0.589

0.833

Spacer fracture

0

0

0

5

/

0.014

0.049

Periprosthetic fracture

2

2

3

2

0.918

0.957

0.901

Dislocation

0

1

3

5

0.168

0.065

0.047