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Table 1 Baseline characteristics and clinical outcomes of patients

From: Effect of coadministration of rifampicin on the pharmacokinetics of linezolid: clinical and animal studies

 

LZD group

 

LZD/RFP group

 

Gender (male/female)

4 / 3

 

2 / 1

 

Age (year)

60 ± 19

[21–82]

51 ± 11

[41–62]

Body weight (kg)

66.0 ± 17.2

[46.6–95.0]

57.8 ± 14.5

[46.0–74.0]

eGFR (mL/min/1.73 m2)

65.2 ± 26.3

[32.7–105]

99.9 ± 34.7

[65.6–135]

Baseline CRP concentration (mg/dL)

3.0 ± 3.1

[0.7–8.9]

1.8 ± 0.6

[1.2–2.4]

LZD dose and concentrations

 Total dose (g)

14.3 ± 5.2

[7.2–21.0]

28.4 ± 9.1

[18.0–34.8]

 Daily dose (g/day)

1.04 ± 0.21

[7.29–1.20]

1.20 ± 0.0

 

 Daily dose (mg/kg/day)

16.7 ± 5.7

[10.5–25.8]

21.6 ± 5.0

[16.2–26.1]

 Duration of LZD therapy (day)

14 ± 6

[6–21]

24 ± 8

[15–29]

 Number of TDM

21

 

13

 

 Trough concentration at first assessment day (μg/mL)

13.3 ± 8.4

[4.7–29.4]

6.9 ± 5.0

[2.1–12.1]

 C/D ratio at first assessment day (μg/mL/mg/kg/day)

0.83 ± 0.46

[0.32–1.34]

0.29 ± 0.17

[0.13–0.47]

 Patients with dosage adjustments to avoid overexposure, n (%)

3 (42.9%)

 

0 (0%)

 

CRP concentration at first assessment day (mg/dL)

4.2 ± 4.6

[0.3–13.8]

2.0 ± 2.0

[0.7–4.3]

Hematological adverse effects

 Baseline platelet count (106 platelets/μL)

266 ± 88

[174–445]

325 ± 128

[189–443]

 Nadir platelet count (106 platelets/μL)

150 ± 82

[86–320]

173 ± 113

[69–293]

 Thrombocytopenia, n (%)

4 (57.1%)

 

1 (33.3%)

 

 Baseline Hb (g/dL)

9.6 ± 1.8

[7.3–12.9]

11.4 ± 1.2

[10.1–12.2]

 Nadir Hb (g/dL)

8.9 ± 2.2

[6.8–12.8]

10.4 ± 2.8

[7.1–12.1]

 Anemia, n (%)

3 (42.9%)

 

1 (33.3%)

 

Outcomes

 Success, n (%)

5 (71.4%)

 

3 (100%)

 
  1. C/D ratio dose-normalized trough concentration, Hb hemoglobin, eGRF estimated glomerular filtration rate, CRP C-reactive protein