Open lung biopsy in early-stage acute respiratory distress syndrome

Table 4 Patient characteristics for survivals and nonsurvivals

Characteristics	Survivors (n = 20)	Nonsurvivors (n = 21)	p
Age	51 ± 15	59 ± 18	0.1621
Sex
Male	14 (70%)	15 (71%)	0.92
Female	6 (30%)	6 (29%)
APACHE II score	20.6 ± 3.7	23.0 ± 5.7	0.12
ALI score	3.0 ± 0.4	3.2 ± 0.3	0.1
PaO₂/FiO₂, mmHg	126.2 ± 44.2	107.0 ± 41.2	0.1571
Immune status
Compromised	12 (60%)	5 (24%)	0.0187
Competent	8 (40%)	16 (76%)
Complication rate	2 (10%)	6 (29%)	0.1336
Diagnosis
Specific	6 (30%)	12 (57%)	0.08
Nonspecific	14 (70%)	9 (43%)
Treatment alteration rate	16 (80%)	14 (68%)	0.3355

APACHE, Acute Physiology and Chronic Health Evaluation; ALI, acute lung injury; PaO₂, arterial partial pressure of oxygen; FiO₂, fraction of inspired oxygen. Data are presented as mean ± SD or n (%); p values in italics are statistically significant.

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