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Table 1 Characteristics of the Study Subjects

From: One-year mortality and Periprosthetic infection rates after Total knee Arthroplasty in Cancer patients: a population-based cohort study

Ā 

Non-cancer

Cancer

p-value

NĀ =ā€‰8784

NĀ =ā€‰2196

Age

71.09ā€‰Ā±ā€‰7.19

71.4ā€‰Ā±ā€‰7.09

0.0739

Age Group

Ā Ā 

0.9160

ā€ƒ20ā€“39

9 (0.10)

2 (0.09)

Ā 

ā€ƒ40ā€“59

593 (6.75)

140 (6.38)

Ā 

ā€ƒ60ā€“79

7339 (83.55)

1847 (84.11)

Ā 

ā€ƒ>ā€‰=80

843 (9.60)

207 (9.43)

Ā 

Gender

Ā Ā 

1.0000

ā€ƒFemale

6100 (69.44)

1525 (69.44)

Ā 

ā€ƒMale

2684 (30.56)

671 (30.56)

Ā 

CCI

Ā Ā 

0.8847

ā€ƒ0

1457 (16.59)

355 (16.17)

Ā 

ā€ƒ1

2158 (24.57)

556 (25.32)

Ā 

ā€ƒ2

2105 (23.96)

520 (23.68)

Ā 

ā€ƒ2+

3064 (34.88)

765 (34.84)

Ā 

Comorbidities

ā€ƒMyocardial infarct

198 (2.25)

59 (2.69)

0.2304

ā€ƒcongestive heart failure

980 (11.16)

254 (11.57)

0.5865

ā€ƒperipheral vascular

294 (3.35)

73 (3.32)

0.9577

ā€ƒcerebrovascular disease

1796 (20.45)

458 (20.86)

0.6706

ā€ƒdementia

231 (2.63)

63 (2.87)

0.5348

ā€ƒchronic lung disease

3497 (39.81)

869 (39.57)

0.8378

ā€ƒconnective tissue disease

658 (7.49)

149 (6.79)

0.2569

ā€ƒUlcer

4583 (52.17)

1134 (51.64)

0.6535

ā€ƒchronic liver disease

1407 (16.02)

339 (15.44)

0.5058

ā€ƒDiabetes

2455 (27.95)

617 (28.1)

0.8901

ā€ƒdiabetes with end organ damage

367 (4.18)

102 (4.64)

0.3333

ā€ƒHemiplegia

92 (1.05)

22 (1)

0.8506

ā€ƒmoderate or severe kidney disease

642 (7.31)

178 (8.11)

0.2039

ā€ƒModerate or severe liver disease

ā€“

ā€“

Ā 

ā€ƒAIDS

ā€“

ā€“

Ā 

Infection

164 (1.87)

38 (1.73)

0.6700

1-year Mortality

146 (1.66)

90 (4.10)

<.0001

Chemotherapy

0 (0.00)

708 (32.24)

Ā 

Metastasis

0 (0.00)

7 (0.32)

Ā