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Table 1 Characteristics of the population receiving a total joint arthroplasty (TJA) according to diagnosis

From: Identification of high-risk groups for complication after arthroplasty: predictive value of patient’s related risk factors

Characteristics

Osteoarthritis (n = 552)

Rheumatoid Arthritis (n = 46)

P value

Age (years): mean (SE)

69 (0.4)

64.3 (1.8)

0.005

Sex (Female)

336 (58)

37 (79)

0.007

Diabetes

148 (27)

13 (28)

0.87

Hypertension

372 (69)

30 (65)

0.58

Osteoporosisa

104 (19)

13 (28)

0.12

Smoking

95 (18)

7 (15)

0.51

Alcohol

58 (11)

3 (7)

0.37

Corticosteroids use

22 (4)

17 (37)

< 0.001

Obesity (BMI > 30)b

102 (56)

18 (64)

0.62

Respiratory comorbidity

43 (8)

9 (20)

0.009

Infectious comorbidity

47 (9)

11 (24)

< 0.001

Anemia

11 (2)

7 (15)

< 0.001

Osteomuscular comorbidity

122 (22)

18 (39)

0.001

Mental comorbidity

44 (8)

1 (2)

0.15

Cardiovascular comorbidity

110 (20)

12 (26)

0.32

Other comorbidity

97 (18)

21 (46)

< 0.001

Gastrointestinal comorbidity

36 (7)

5 (11)

0.26

Cancer

25 (5)

0 (0)

N.A.

Type of surgery (THA)c

314 (57)

27 (59)

0.81

Complications (n = 98)

78 (13)

21 (45)

< 0.001

Complications by surgery (THA)

48 (62)

12 (57)

0.31

  1. Values are numbers and in parenthesis () standard deviations for continuous values or percentage for categorical variables (%). All variables were adjusted by age and gender. BMI body mass index
  2. aSubject diagnosed and/or receiving treatment for osteoporosis (from them, 87% had at least one previous fracture)
  3. bBMI calculated from measures at personal interview
  4. cTHA total hip arthroplasty compared with TKA total knee arthroplasty