| Clarithromycin (n = 55) | Placebo (n = 55) | Total (n= 110) | P value |
---|---|---|---|---|
Age (years), median (Q1–Q3) | 74 (67–80) | 73 (60–79) | 74 (62–80) | 0.354 |
Sex, n (%) | Â | Â | Â | 0.316 |
 Male | 39 (70.9) | 33 (60.0) | 72 (65.5) |  |
 Female | 16 (29.1) | 22 (40.0) | 38 (34.5) |  |
Charlson comorbidity index, mean (SD) | 5.3 (2.8) | 5.6 (2.8) | 5.4 (2.8) | 0.496 |
APACHE II score, mean (SD) | 20.0 (6.4) | 22.0 (7.1) | 21.0 (6.8) | 0.193 |
SOFA score, median (Q1-Q3) | 10 (9–12) | 11 (9–13) | 10 (9–12) | 0.364 |
Presence of ARDS, n (%) | 23 (41.8) | 25 (45.5) | 48 (43.6) | 0.848 |
Presence of septic shock, n (%) | 30 (54.5) | 39 (70.9) | 69 (62.7) | 0.114 |
Laboratory values, median (Q1-Q3) | Â | Â | Â | Â |
 Lactate, mmol/l | 1.8 (1.4–2.6) | 2.1 (1.4–3.0) | 2.0 (1.4–2.8) | 0.459 |
 PaO2/FiO2 | 142 (111–171) | 149 (116–167) | 144 (114–165) | 0.886 |
 White blood cell count, × 103/mm3 | 15.9 (10.8–20.8) | 16.7 (10.9–21.4) | 16.2 (10.9–20.9) | 0.832 |
 Platelet count, × 103/mm3 | 130 (196–264) | 197 (138–278) | 197 (137–268) | 0.907 |
 Creatinine, mg/dl | 1.80 (1.05–2.41) | 1.40 (0.80–2.40) | 1.60 (0.87–2.4) | 0.140 |
 CRP, mg/l | 169.0 (91.5–259.4) | 158.0 (66.2–233.8) | 162.9 (81.7–254.8) | 0.543 |
 PCT, ng/ml | 1.42 (0.48–9.54) | 1.36 (0.55–5.43) | 1.42 (0.55–5.71) | 0.900 |
Organ support at enrollment | Â | Â | Â | Â |
 Mechanical Ventilation, n (%) | 45 (81.8) | 44 (80.0) | 89 (80.9) | 1.00 |
 PEEPa, median (Q1-Q3) | 8 (6–10) | 8 (7–10) | 8 (6–10) | 0.524 |
 Tidal Volumea, median (Q1-Q3) | 502 (460–550) | 500 (450–550) | 500 (455–550) | 0.638 |
 Noradrenaline use, n (%) | 54 (98.2) | 55 (100.0) | 99 (90.0) | 1.00 |
 Renal Replacement Therapy, n (%) | 8 (14.5) | 9 (16.4) | 17 (15.5) | 1.00 |
Source of sepsis, n (%) | Â | Â | Â | Â |
 Lower respiratory tract infection | 34 (61.8) | 41 (74.5) | 75 (68.2) | 0.219 |
 Healthcare-associated | 12 (21.8) | 11 (20.0) | 23 (20.9) | 1.00 |
 Hospital-acquired | 6 (10.9) | 15 (27.3) | 21 (19.1) | 0.051 |
 Ventilator-associated | 16 (29.1) | 15 (27.3) | 31 (28.2) | 1.00 |
Intra-abdominal infection | 15 (27.3) | 12 (21.8) | 27 (24.5) | 0.658 |
Primary Gram-negative bacteremia | 6 (10.9) | 2 (3.6) | 8 (7.3) | 0.271 |