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Table 4 Uni- and multivariate linear regression analysis of variables associated with linezolid Cmin at standard dose of 600 mg every 12 h

From: Proposal of initial and maintenance dosing regimens with linezolid for renal impairment patients

Variables

Univariate analysis

Multivariate analysisa

Unstandardized β coefficient (95%CI)

P-value

Unstandardized β coefficient (95%CI)

P-value

Male

−2.81 (−6.95 to 1.34)

0.18

  

Age (years) (per 1-year increment)

0.285 (0.173 to 0.396)

< 0.0001

  

Height (m) (per 1-m increment)

−33.71 (−51.35 to −16.07)

0.0003

  

Body weight (kg) (per 1-kg increment)

−0.294 (−0.427 to −0.160)

< 0.0001

−0.208 (−0.335 to 0.081)

0.0016

CLCRC-G ≤ 60 mL/min

11.37 (7.397 to 15.345)

< 0.0001

4.777 (2.793 to 6.760)

< 0.0001

Total bilirubin > 1.2 mg/dL

1.111(−2.960–5.199)

0.59

  

Co-treatment

 Omeprazole

−1.097 (−7.273 to 5.079)

0.73

  

 Amiodarone

4.676 (−1.243 to 10.595)

0.12

  

 Amlodipine

1.037 (−13.885 to 15.960)

0.89

  

 Rifampicin

2.236 (−5.028 to 9.501)

0.54

  

 Dexamethasone

0.426 (−14.450 to 15.350)

0.96

  
  1. aR2 = 0.301
  2. Abbreviation: CLCRC-G creatinine clearance calculated using the Cockcroft-Gault formula