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Table 3 Correlations between preoperative comorbidities and postoperative surgical-related complications

From: Hypoalbuminemia and obesity class II are reliable predictors of peri-prosthetic joint infection in patient undergoing elective total knee arthroplasty

Preoperative comorbidities

Peri-prosthetic joint infection

Hematoma requiring drainage/Pseudoaneurysm thrombosis

Wound complications

Yes

No

Yes

No

Yes

No

Low total lymphocyte count (TLC)

 Yes

1 (25.0)

180 (33.5)

0

181 (33.5)

1 (12.5)

180 (33.7)

 No

3 (75.0)

358 (66.5)

1 (100.0)

360 (66.5)

7 (87.5)

354 (66.3)

Hypoalbuminemia

 Yes

2 (40.0)

15 (2.4)

0

17 (2.7)

0

17 (2.8)

 No

3 (60.0)

604 (97.6)

2 (100.0)

605 (97.3)

9 (100.0)

598 (97.2)

BMI

 Underweight

0

7 (1.6)

0

7 (1.6)

0

7 (1.6)

 Normal

0

54 (12.6)

0

54 (12.5)

0

54 (12.6)

 Overweight

0

64 (14.9)

0

64 (14.8)

1 (16.7)

63 (14.8)

 Obesity I

0

192 (44.8)

1 (100.0)

191 (44.2)

1 (16.7)

191 (44.7)

 Obesity II

4 (100.0)

112 (26.1)

0

116 (26.9)

4 (66.7)

112 (26.2)

  1. Keys:
  2. Numbers in bold: comparisons with statistical significances (p < 0.05)
  3. Low total lymphocyte count (TLC) defined as TLC < 1500 cells/mm3
  4. Hypoalbuminemia defined as preoperative serum albumin < 3.5 g/dL