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Table 3 Laboratory and radiographic findings in admission.

From: Clinical features of the initial cases of 2009 pandemic influenza A (H1N1) virus infection in an university hospital of Morocco

Variables Values
Abnormalities on chest radiograph, n/total n (%) 49/186 (26.3)
Opacity 1/4 quadrants 24/49 (48.9)
Opacity 2/4 quadrants 19/49 (37.7)
Opacity 3/4 quadrants 4/49 (8.1)
Opacity 4/4 quadrants 2/49 (4)
Leukocyte count  
Median (IQR) (per mm3) 14600 (5400-16100)
<4000/mm3, n/total n (%) 4/102 (3.9)
>10000/mm3, n/total n (%) 52/102 (50.9)
Platelet count,  
Mean ± SD (per mm3) 221241 ± 169344
Potassium  
Median (IQR) (meq/liter) 4.9 (3.6-5.1)
<3.5 meq/liter, n/total n (%) 14/61 (23)
Sodium, mean ± SD (meq/liter) 136 ± 5.2
C-reactive protein >10 mg/liter, n/total n (%) 55/72 (76.3)
Creatinine, median (IQR) (mg/dl) 8.9 (7.4-11.3)
Aspartate aminotransferase >40 UI/liter, n/total n (%) 10/30 (33.3)
Alanine aminotransferase >40 UI/liter, n/total n (%) 10/30 (33.3)
  1. IQR, interquartile range; SD, standard deviation.