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Table 2 Baseline comorbidity incidence compared between groups for use in multiple linear regression analysis

From: Does body mass index influence improvement in patient reported outcomes following total knee arthroplasty? A retrospective analysis of 3918 cases

 

18.5–25 kg/m2

25.01–30 kg/m2

30.01–40 kg/m2

> 40 kg/m2

P-value

Myocardial Infarction

5 (1.4%)

37 (3.7%)

28 (1.8%)

12 (3.3%)

0.009

Congestive Heart Failure

8 (2.2%)

30 (3%)

57 (3.6%)

16 (4.4%)

0.317

Peripheral Vascular Disease

17 (4.7%)

80 (7.9%)

116 (7.4%)

31 (8.5%)

0.152

Cerebrovascular Disease

35 (9.6%)

101 (10%)

110 (7%)

20 (5.5%)

0.008

Dementia

2 (0.5%)

7 (0.7%)

6 (0.4%)

0 (0%)

0.372

Chronic Pulmonary Disease

60 (16.5%)

179 (17.7%)

277 (17.7%)

94 (25.7%)

0.003

Rheumatic Disease

30 (8.2%)

74 (7.3%)

109 (7%)

19 (5.2%)

0.407

Peptic Ulcer Disease

11 (3%)

34 (3.4%)

50 (3.2%)

8 (2.2%)

0.755

Mild Liver Disease

15 (4.1%)

42 (4.2%)

84 (5.4%)

29 (7.9%)

0.041

Severe Liver Disease

0 (0%)

1 (0.1%)

4 (0.3%)

1 (0.3%)

0.737

DM without Chronic Complications

37 (10.2%)

185 (18.3%)

353 (22.6%)

85 (23.2%)

< 0.001

DM with Chronic Complications

3 (0.8%)

31 (3.1%)

41 (2.6%)

18 (4.9%)

0.007

Hemiplegia/Paraplegia

0 (0%)

5 (0.5%)

1 (0.1%)

2 (0.5%)

0.057

Renal Disease

6 (1.6%)

47 (4.6%)

68 (4.4%)

16 (4.4%)

0.056

Malignancy: Leukemia/Lymphoma

57 (15.7%)

126 (12.5%)

150 (9.6%)

32 (8.7%)

0.002

Malignancy: Solid Tumor

20 (5.5%)

39 (3.9%)

38 (2.4%)

9 (2.5%)

0.013

HIV/AIDS

3 (0.8%)

16 (1.6%)

14 (0.9%)

2 (0.5%)

0.307

  1. Bold indicates statistical significance
  2. DM diabetes mellitus