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Table 3 Effect of the antimicrobial administration either within 1 or 3 hours of admission to the ED, matched by PS, on in-hospital mortality

From: Antimicrobials administration time in patients with suspected sepsis: is faster better? An analysis by propensity score

 

Antimicrobials ≤ 1 h vs. > 1 h, OR (95% CI)

Antimicrobials ≤ 3 h vs. > 3 h, OR (95% CI)

Models

n = 680

n = 1562

 No adjustment

1.09 (0.69; 1.72)

0.98 (0.74; 1.32)

 Adjusted for propensity score

1.05 (0.66; 1.67)

0.86 (0.63; 1.17)

 Adjusted for covariates*

1.07 (0.65; 1.75)

0.93 (0.67; 1.28)

 Adjusted for propensity score + covariates *

1.03 (0.63; 1.70)

0.85 (0.61; 1.20)

Patients with confirmed infection

n = 548

n = 1260

 No adjustment

1.00 (0.61; 1.64)

1.00 (0.73; 1.38)

 Adjusted for propensity score

0.99 (0.61; 1.63)

0.89 (0.64; 1.25)

 Adjusted for covariates**

0.92 (0.54; 1.58)

0.91 (0.64; 1.30)

 Adjusted for propensity score + covariates**

0.90 (0.53; 1.56)

0.88 (0.61; 1.26)

Patients with adequate antibiotics

n = 593

n = 1288

 No adjustment

0.96 (0.59; 1.56)

0.98 (0.71; 1.36)

 Adjusted for propensity score

0.93 (0.57; 1.53)

0.82 (0.58; 1.16)

 Adjusted for covariates***

0.88 (0.51; 1.50)

0.89 (0.62; 1.27)

 Adjusted for propensity score + covariates***

0.86 (0.50; 1.46)

0.82 (0.56; 1.19)

Patients with shock—Rivers

n = 342

n = 702

 No adjustment

0.96 (0.54; 1.73)

0.98 (0.66; 1.44)

 Adjusted for propensity score

0.91 (0.50; 1.66)

0.87 (0.57; 1.32)

 Adjusted for covariates*

0.92 (0.49; 1.74)

0.92 (0.59; 1.42)

 Adjusted for propensity score + covariates*

0.87 (0.46; 1.66)

0.85 (0.54; 1.35)

Patients with shock—Sepsis-3

n = 91

n = 170

 No adjustment

0.85 (0.34; 2.15)

0.74 (0.39; 1.43)

 Adjusted for propensity score

0.70 (0.26; 1.84)

0.56 (0.27; 1.15)

 Adjusted for covariates*

0.86 (0.31; 2.37)

0.86 (0.40; 1.85)

 Adjusted for propensity score + covariates*

0.75 (0.26; 2.14)

0.65 (0.28; 1.51)

  1. *Covariates: age, Charlson Index, intravenous fluids ≥ 1500 first hour, blood cultures in the first 3 h, lactate, SOFA score, APACHE II score, confirmed diagnosis of infection, and inadequate antimicrobials
  2. **Covariates: age, Charlson Index, intravenous fluids ≥ 1500 first hour, blood cultures in the first 3 h, lactate, SOFA score, APACHE II score, and inadequate antimicrobials
  3. ***Covariates: age, Charlson Index, intravenous fluids ≥ 1500 first hour, blood cultures in the first 3 h, lactate, SOFA score, APACHE II score, and confirmed diagnosis of infection