Table 3.
Risk factors of IAC.
| Univariate logistics | Multivariate logistics | |||
|---|---|---|---|---|
| OR (95% CI) | Value of p | OR (95% CI) | Value of p | |
| Age ≥75 years | 1.004 (0.345–2.920) | / | / | 0.995 |
| Male | 3.889 (1.012–14.819) | 0.071 | 4.504 (0.877–23.117) | 0.047 |
| BMI >25 kg/m2 | 0.331 (0.109–1.007) | 0.667 | 1.410 (0.295–6.735) | 0.051 |
| Upper gastrointestinal surgery | 5.824 (1.862–18.221) | 0.007 | 6.119 (1.635–22.896) | 0.002 |
| Emergency | 0.956 (0.271–3.369) | / | / | 0.944 |
| ASA IV or V | 0.532 (0.168–1.681) | / | / | 0.282 |
| Underlying diseases | ||||
| Solid tumor | 0.686 (0234–2.009) | / | / | 0.492 |
| Diabetes mellitus | 0.887 (0.254–3.093) | / | / | 0.851 |
| COPD | 0.969 (0.101–9.276) | / | / | 0.978 |
| Hypertension | 1.714 (0.582–5.051) | / | / | 0.328 |
| Coronary heart disease | 1.200 (0.291–4.949) | / | / | 0.801 |
| Congestive heart failure | 2.000 (0.170–23.461) | / | / | 0.581 |
| Arrhythmia | 3.512 (0.953–12.947) | 0.063 | 4.739 (0.920–24.416) | 0.059 |
| Cerebrovascular disease | 1.627 (0.287–9.216) | / | / | 0.582 |
| APACHE IIa | 1.034 (0.943–1.135) | / | / | 0.474 |
| SOFAa | 0.968 (0.812–1.155) | / | / | 0.721 |
| Temperaturea, °C | 1.083 (0.579–2.027) | / | / | 0.803 |
| WBCa, ×109/L | 0.939 (0.848–1.041) | / | / | 0.231 |
| NE% > 90% a | 3.692 (1.164–11.710) | 0.009 | 6.665 (1.612–27.412) | 0.027 |
| PCTa,b, ng/ml | 0.979 (0.925–1.036) | / | / | 0.462 |
| Recurrent gastrointestinal perforations, perforations untreated for more than 24 h, or both | 2.488 (0.822–7.535) | 0.26 | 2.144 (0.568–8.085) | 0.107 |
| Recurrent abdominal surgery within 30 days | 0.618 (0.158–2.415) | / | / | 0.489 |
| Postoperative suspected or confirmed gastrointestinal anastomosis leakage | 1.302 (0.398–4.261) | / | / | 0.663 |
| Septic shock | 0.655 (0.225–1.910) | / | / | 0.438 |
aAt ICU admission; bN = 80; BMI, body mass index; ASA, American Society of Anesthesiology; COPD, chronic obstructive pulmonary diseases; SOFA, sepsis-related organ failure assessment; APACHE, acute physiology and chronic health evaluation; WBC, white blood cell; NE, neutrophils; CRP, C-reaction protein; PCT, procalcitonin.