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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 comorbiditiesPeri-prosthetic joint infectionHematoma requiring drainage/Pseudoaneurysm thrombosisWound complications
YesNoYesNoYesNo
Low total lymphocyte count (TLC)
 Yes1 (25.0)180 (33.5)0181 (33.5)1 (12.5)180 (33.7)
 No3 (75.0)358 (66.5)1 (100.0)360 (66.5)7 (87.5)354 (66.3)
Hypoalbuminemia
 Yes2 (40.0)15 (2.4)017 (2.7)017 (2.8)
 No3 (60.0)604 (97.6)2 (100.0)605 (97.3)9 (100.0)598 (97.2)
BMI
 Underweight07 (1.6)07 (1.6)07 (1.6)
 Normal054 (12.6)054 (12.5)054 (12.6)
 Overweight064 (14.9)064 (14.8)1 (16.7)63 (14.8)
 Obesity I0192 (44.8)1 (100.0)191 (44.2)1 (16.7)191 (44.7)
 Obesity II4 (100.0)112 (26.1)0116 (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