Clinical Findings in Albanian Patients with 2009 Influenza AH1N1 Admitted at the Intensive Care Unit

Table 2

Comparison between the patients that died and survived amongst the 31 study patients with confirmed influenza H1N1 virus.

Variable	Patients who survived; (𝑁 = 27)	Patients who died; (𝑁 = 4)	Hazard ratio for death (95% CI)	𝑃 value
Age
Median	32	50	1	0.5
Range	15–78	19–55	0.96–1.07
Gender
Female number/total number	15/27	3/4	1.8 (0.2–17.4)	0.6
Days from illness onset to admission				0.5
Median	4	4.5	1.2
Range	2–7	4–6	0.6–2.4
Lymphocyte count per mm^3				0.48
Median	1850	1465	0.96
Range	770–4800	890–3020	0.9–1.1
Endotracheal intubation	1/27	4/4		0.01 **
PaO2 (mm Hg)				0.21
Median	70.4	60.8	0.94
Range	43.1–90	54.9–63.5	(0.9–1.0)
PaCO2 (mm Hg)				0.16
Median	33.7	41.0	1.18
Range	22.8–44.8	31.5–41.5	(0.9–1.4)
Oximetry O2-Sat				0.07
Median	87	64	0.91
Range	57–93	64–79	(0.8–1.0)
pH				0.02
Median	7.4	7.3	6.01 × 10^−13
Range	7.3–7.5	7.32–7.43	0.0–0.013
PaO2/FiO2 (mm Hg)				0.03
Median	171	61	0.92
Range	86–250	52–101	0.84–0.98
Acute resp. distress syndrome	9/27	3/4	4.8 (0.51–46.0)	0.1
BE				0.07
Median	−1.3	−3.7	0.6
Range	−6.5–8	−4.5–−2.1	0.4–1.1
Opacity in three or four lung quadrants in initial radiograph—no./total no.	14/27	3/4	2.5 (0.26–23.8)	0.4

**Logrank test.