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Table 3 Intergroup comparisons at ARDS diagnosis and after 24 h for in-hospital mortality

From: Risk stratification using SpO2/FiO2 and PEEP at initial ARDS diagnosis and after 24 h in patients with moderate or severe ARDS

Comparison At ARDS diagnosis After 24 h
OR (95% CI) P value OR (95% CI) P value
Group II versus I 0.53 (0.19–1.46) 0.376 1.05 (0.59–1.86) 0.996
Group III versus I 0.69 (0.32–1.49) 0.600 2.11 (0.59–7.62) 0.433
Group IV versus I 0.86 (0.45–1.65) 0.933 2.47 (1.26–4.85) 0.003
Group III versus II 1.30 (0.48–3.53) 0.907 2.01 (0.55–7.43) 0.509
Group IV versus II 1.61 (0.65–4.03) 0.531 2.40 (1.15–4.82) 0.012
Group IV versus III 1.24 (0.66–2.34) 0.811 1.17 (0.30–4.53) 0.991
  1. ARDS acute respiratory distress syndrome, OR odd ratio, CI confidence interval