2009 H1N1 Influenza Infection-Related Hospital Admissions: A Single Center Experience with Adult Patients in West Texas
Table 3
Diagnostic findings of 2009 H1N1 influenza infection.
Laboratory
Total ()
ICU ()
Non-ICU ()
value
Hemoglobin <10
5 (16%)
2 (13%)
3 (19%)
Ns
White blood cell >11,000
6 (19%)
5 (33%)
1 (6%)
Ns
White blood cell <5,000
10 (32%)
2 (13%)
8 (50%)
Ns
Neutrophil >85%
13 (42%)
9 (60%)
4 (25%)
Ns
Platelet <150,000
4 (13%)
3 (20%)
1 (6%)
Ns
Sodium <135
21 (68%)
10 (67%)
11 (69%)
Ns
Bicarbonate <24
20 (65%)
9 (60%)
11 (69%)
Ns
Alanine aminotransferase >40
9 (29%)
4 (27%)
5 (31%)
Ns
Abnormal chest X-ray
20 (65%)
15 (100%)
5 (31%)
<0.001
Interstitial infiltrates
18 (58%)
15 (100%)
3 (19%)
<0.001
Lobar infiltrates
11 (55%)
7 (47%)
4 (25%)
Ns
Infiltrates within 48βhr of admission
12 (39%)
9 (60%)
3 (19%)
0.03
Positive rapid influenza test
6 (19%)
3 (20%)
3 (19%)
Ns
Positive RT-PCR from NP swap
28 (90%)
12 (80%)
16 (100%)
Ns
Positive blood culture
7 (23%)
2 (13%)
5 (31%)
Ns
Positive sputum culture
12 (39%)
5 (33%)
7 (44%)
Ns
Ns: nonsignificant. for comparison of ICU and non-ICU patients by test or Fisherβs exact test. RT-PCR: reverse transcription polymerase chain reaction, NP: nasopharyngeal.
