Table 3.

Pertinent investigations in patient hospitalized with 2009 H1N1 infection.

Investigation	N	%age
Left sided infiltrates on chest x-ray	9/117	7.7
Right sided infiltrates on chest x-ray	24/117	20.5
Diffuse multilobar infiltrates on chest x-ray	9/117	7.7
Scattered bilateral infiltrates on chest x-ray	15/117	12.8
Normal chest x-ray	48/117	41.0
Hypoxia on arterial blood gases	47/83	56.6
Type II respiratory failure on arterial blood gases	7/83	8.5
Normal arterial blood gases	29/83	34.9
Hemoglobin (Anemia: Adult Male <14 gm/dl and Adult Female <13 gm/dl; children <11 gm/dl)	36/117	30.8
Platelets < 140 × 109 /ul	18/117	15.4
Platelets 140 to 400 × 109/ul	87/117	74.3
Platelets > 400 × 109/ul	12/117	10.3
White Blood Cell Count < 4 × 109/ul	11/117	9.4
White Blood Cell Count 4 to 11 × 109/ul	82/117	70.1
White Blood Cell Count > 11 × 109/ul	24/117	20.5
Total Bilirubin 3 to 17 umol/L	69/108	63.9
Total Bilirubin > 17 umol/L	39/108	36.1
Alanine transaminase (ALT)< 30 U/L	51/113	45.1
Alanine transaminase (ALT) 30 to 65 U/L	43/113	38.1
Alanine transaminase (ALT) > 65 U/L	19/113	16.8
Creatine kinase (CK) 21 to 232 U/L	65/111	58.6
Creatine kinase (CK) > 232 U/L	46/111	41.4
Lactate dehydrogenase (LDH) 100 to 500 U/L	105/117	89.7
Lactate dehydrogenase (LDH) > 500 U/L	12/117	10.3
Urea 2.5 to 7.5 mmol/L	79/117	67.5
Urea > 7.5 mmol/L	25/117	21.4