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Table 6 The result of logistic and linear regression analyses in THA

From: Closed suction drainage following routine primary total joint arthroplasty is associated with a higher transfusion rate and longer postoperative length of stay: a retrospective cohort study

 

Transfusion

PLOS

OR (95% CI)

P

B (95% CI)

P

B′

Crude model

1.645 (1.410–1.920)

0.000

0.927 (0.734–1.111)

0.000

0.123

Model 1

1.657 (1.420–1.935)

0.000

0.935 (0.753–1.117)

0.000

0.123

Model 2

1.690 (1.445–1.978)

0.000

0.931 (0.750–1.112)

0.000

0.122

Model 3

1.872 (1.588–2.207)

0.000

0.973 (0.695–1.051)

0.000

0.115

  1. PLOS postoperative length of stay
  2. Model 1: controlled for age, gender, body mass index, MI, and diagnoses
  3. Model 2: controlled for model 1 + hypertension, type 2 diabetes, chronic obstructive pulmonary disease, coronary heart disease, preoperative analgesic use, hemoglobin, and albumin
  4. Model 3: controlled for model 2 + method of anesthesia, American Society of Anesthesiologists class, operative time, intraoperative bleeding, and tranexamic acid