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. 2021 May 28;45(5):261–270. doi: 10.1016/j.medine.2021.02.005

Table 6.

Characteristics of 22 patients with or without acute fibrinous and organizing pneumonia (AFOP) at histological examination.

AFOP (10) No AFOP (12) p value
General characteristics
 Age, years 67 [65–73.5] 65 [62.5–72] 0.52
 Male sex 90% 58.3% 0.63
 SAPS II, points 58 [41.5–62.5] 62 [50–71] 0.32
 Duration of mechanical ventilation, days 20 [18–28] 8 [4.5–14.5] <0.01
 Steroid therapy 80% 25% 0.08
 Delay between the onset of ventilation and start of steroids, days 11 [2–14.5] 6 [4–7] 0.49



Ventilatory parameters collected at time of death
 FiO2 1 [0.5–1] 1 [0.4–1] 0.82
 PEEP, mean cmH2O 7 [5–9] 8 [5–10] 0.93
 PaO2/FiO2 165.5 [75.2–214.2] 144 [73.5–211] 0.74
 Dynamic compliance, ml/cmH2O 20 [16.5–30] 22 [14–24] 0.58

Data are n (%) or mean (SD) unless otherwise stated. SAPS 2, simplified acute physiological score; PEEP, positive end-expiratory pressure.