LDH was lower in HIV-positive patients, but the other laboratory

LDH was lower in HIV-positive patients, but the other laboratory parameters, namely CPK, creatinine, AST and Quick prothrombin time, did not differ significantly between the groups. Roughly similar proportions of HIV-positive (7%) and HIV-negative (8%) patients had bacteria detected in valid respiratory samples and/or blood cultures and/or urine antigens at admission (Table 2b). Streptococcus pneumoniae was the most common bacterium, accounting

for 12 (71%) of the 17 bacteria detected. As expected, a substantial proportion of HIV-infected patients (95%; n=53) were treated with oseltamivir. This proportion was higher than that in HIV-negative patients (71%; n=119) (P=0.0003) (Table 3). However, roughly similar proportions of HIV-positive (52%; n=20) and HIV-negative (49%; n=82) patients received antibacterial therapy (P=0.6997). There was a trend towards LY294002 a Buparlisib in vitro shorter duration of hospital stay (mean±standard deviation) in HIV-positive patients (1.1±2.3) than in HIV-negative patients (2.0±3.4) (P=0.0812), and fewer HIV-positive patients (n=15; 27%) were admitted for 1 day or longer compared with HIV-negative patients (n=70; 42%) (P=0.0564). Concordantly, a higher proportion of HIV-positive patients (77%; n=43) than HIV-negative patients (56%; n=94) showed clinical recovery in less than 1 week (P=0.0068). None (0%) of the HIV-positive patients died, but three (2%) of the HIV-negative

patients died. Causes of death in each patient were multifactorial. Table 3 shows a list of specific complications in HIV-positive and HIV-negative patients identified after admission. Similar proportions of HIV-positive (13%; n=7) and HIV-negative (11%; n=18) patients developed intrahospital complications (P=0.8066). Interestingly, there were three patients (two HIV-positive and one HIV-negative) who developed myocarditis and/or ischaemic cardiovascular episodes, one of whom had no previous history of cardiovascular disease. There were also three patients with acute hepatitis (one HIV-positive

and two HIV-negative); in two of these patients this was attributed to oseltamivir. There were more HIV-positive (48 of 56; 86%) than HIV-negative Tolmetin (65 of 168; 39%) patients without comorbidities. When the two groups were compared, therapy with oseltamivir was found to be significantly more common, and there was a trend towards more frequent antibacterial therapy, in HIV-positive patients than in HIV-negative patients (Table 4). There were no significant differences between the groups in the proportion of patients with a delayed influenza A H1N1 diagnosis, pneumonia or respiratory failure. There were no differences either in the duration of hospital stay, clinical recovery, intrahospital complications and evolution to death. Nevertheless, all three patients who died belonged to the HIV-negative group without comorbidities.

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