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Table 4 Cox univariate analysis showing variables associated with treatment failure during daptomycin-based antimicrobial therapy

From: Daptomycin > 6 mg/kg/day as salvage therapy in patients with complex bone and joint infection: cohort study in a regional reference center

Variable

n (%)

unadjusted HR (95 % CI)

p-value

Age (per 10 years)

NA

1.89 (1.03–3.47)

0.041

Male sex

23 (59)

1.48 (0.25–1.48)

0.245

Obesity

12 (31)

1.06 (0.93–1.06)

0.932

ASA score

NA

1.11 (0.79–1.11)

0.787

Smoking

13 (33)

0.91 (0.23–3.65)

0.896

Implant associated BJI

33 (85)

27.8 (0.02–40422.69)

0.371

Chronic BJI

5 (13)

1.15 (0.14–9.22)

0.894

Fistula

14 (36)

2.94 (0.60–14.43)

0.185

Relapsing BJI

15 (63)

5.50 (0.69–44.02)

0.108

S. aureus

11 (28)

0.59 (0.12–2.89)

0.517

No or non-optimal surgery

15 (38)

3.63 (0.91–14.73)

0.068

Previous treatment with glycopeptides

34 (87)

25.47 (0.01–142518.48)

0.462

Glycopeptide-resistant isolate

20 (51)

2.965 (0.70–12.58)

0.141

Daptomycin ≤ 8 mg/kg/d

26 (67)

0.676 (0.18–2.55)

0.563

Daptomycin discontinuation for SAE

6 (15)

4.844 (1.17–20.05)

0.029

  1. ASA American Society of Anesthesiologists, BJI bone and joint infection, HR, hazard ratio, NA not applicable (continuous variable), SAE serious adverse events