Feasibility and efficacy of lung ultrasound to investigate pulmonary complications in patients who developed postoperative Hypoxaemia-a prospective study

Table 3 Correlation between possible factors and lung ultrasound scores (N = 85)

Variables	Correlation Coefficient (r)	P
Sex (M/F)	0.229	0.035
Age (y)	−0.041	0.707
BMI (kg/m²)	−0.127	0.246
SPO₂ (%)	−0.244	0.024
Smoking	−0.039	0.725
Duration of mechanical ventilation (min)	−0.127	0.245
Type of surgery	0.075	0.494
Sufentanil dose (ug/kg/h)	0.125	0.253
Total infusion (mL)	0.046	0.677
Transfusion (Y/N)	−0.156	0.155

Lung ultrasound scores were recorded and analysed in patients without pneumothorax
Abbreviations: LUS Lung ultrasound; M Male; F Female; BMI Body mass index; SPO₂ Oxygen saturation measured by pulse oximetry

ISSN: 1471-2253