From: The impact of smoking on patient outcomes in severe sepsis and septic shock
Outcomes | Current smokers (N = 107) | Non-smokers (N = 455) | P value* | Former smokers (N = 249) | P value** | Never smokers (N = 206) | P value§ |
---|---|---|---|---|---|---|---|
Mortality‡—n (%) | 34 (32) | 101 (22) | 0.04 | 60 (24) | 0.13 | 41 (20) | 0.02 |
Hospital LOS—median days (IQR) | 7 (4–17) | 7 (4–12) | 0.19 | 7 (4–12) | 0.26 | 7 (4–12) | 0.20 |
Hospital LOS in survivors | 8 (4–18) (N = 73) | 7 (4–12) (N = 354) | 0.03 | 7 (4–12) (N = 189) | 0.05 | 7 (4–11) (N = 165) | 0.05 |
ICU LOS | 5 (3–10) (N = 75) | 4 (2–11) (N = 243) | 0.36 | 5 (2–11) (N = 135) | 0.67 | 4 (2–10) (N = 108) | 0.20 |
ICU LOS survivors | 6 (3–11) (N = 47) | 4 (2–10) (N = 162) | 0.06 | 4 (2–10) (N = 84) | 0.10 | 4 (2–10) (N = 78) | 0.07 |
Required ICU admission—n (%) | 75 (70) | 243 (53) | < 0.01 | 135 (54) | < 0.01 | 108 (52) | < 0.01 |
Required vasopressors—n (%) | 57 (53) | 175 (39) | < 0.01 | 104 (42) | 0.05 | 71 (34) | < 0.01 |
Vasopressor days—median (IQR) | 3 (2–4) (N = 57) | 3 (2–5) (N = 175) | 0.97 | 3 (2–5.5) (N = 104) | 0.72 | 3 (2–5) (N = 71) | 0.68 |
Required mechanical ventilation—n (%) | 62 (58) | 133 (29) | < 0.01 | 77 (31) | < 0.01 | 56 (27) | < 0.01 |
Ventilator days | 5 (2–9) (N = 62) | 5 (2–9) (N = 133) | 0.99 | 6 (2–11) (N = 77) | 0.42 | 4 (2–8) (N = 56) | 0.32 |
Required dialysis—n (%) | 10 (9) | 42 (9) | 0.97 | 27 (11) | 0.67 | 15 (7) | 0.52 |
Dialysis days | 4 (2–6) (N = 10) | 4 (2–9) (N = 42) | 0.58 | 6 (3–13) (N = 27) | 0.30 | 3 (2–6) (N = 15) | 0.74 |