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. 2014 Jul 8;1(1):e000038. doi: 10.1136/bmjresp-2014-000038

Table 2.

Physical examination, laboratory findings and ICU treatment in patients who survived and in those who died

Findings Survived (n=1092) Died (n=80) p Value*
N (%) N (%)
Altered mental status 53 (5) 14 (18) 0.0001
Respiratory rate ≥30/min 229 (21) 45 (56) 0.0001
Systolic BP <90 mm Hg
 ±Diastolic BP ≤60 mm Hg 149 (4) 31 (39) 0.0001
 Body temperature <35°C or ≥40°C 26 (2) 3 (4) 0.4
 SpO2 <90% 323 (30) 62 (78) 0.0001
 ICU treatment† 67 (9) 14 (19) 0.01
 Invasive mechanical ventilation†‡ 12 (2) 5 (7) 0.01
 Non-invasive ventilation† 23 (3) 9 (12) 0.001

*Fisher's exact test.

†Only 830 of the patients admitted were analysed.

‡Invasive mechanical ventilation, ventilatory support with patient intubated or tracheostomised.

BP, blood pressure; ICU, intensive care unit; NIV, non-invasive ventilator support with patient not intubated or tracheostomised; SpO2, saturation of peripheral oxygen measured by pulse oximetry.