Annals of Intensive Care

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
Comparison	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

ARDS acute respiratory distress syndrome, OR odd ratio, CI confidence interval

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