The aim of this study was to analyze the association between clinical and laboratory factors of HIV disease on body composition, muscle strength, physical activity levels, the lipodystrophy syndrome and the influence of these factors on the quality of life of patients. The sample consisted of 219 HIV-infected patients, outpatients of the municipality of Santarem - PA. Sociodemographic information, clinical and laboratory profiles of the patients were collected as well as evaluations according to body composition, grip strength, physical activity levels, lipodystrophy and quality of life. Data were analyzed descriptively and inferentially, through the facilities of the software Graphpad Prism 3.0 and BioEstat 5.0, adopting a significance level of p <0.05. Sociodemographic results showed a higher frequency in males (59%), aged 28-37 years (35.2%), eight years of schooling or more (67.6%), parda ethnicity (73%), civil singleness (50.2%), income equal to or less than 2 minimum wages (76.8%), unemployed (17.1%). Clinically, most patients were on ART (89%) had a diagnosis of Aids (51.1%), diabetes was most frequent among the comorbidities (40%), tuberculosis between the co-infections (32.56%) and toxoplasmosis among other infections (51.43%), the most commonly used regimen was AZT/3TC/EFV (43.2%) and mixed lipodystrophy predominated (44.6%). It was observed that regimen AZT/3TC/LPV-r decreases muscle mass, arm muscle area (AMA) and dominant force in relation to the scheme consisting of AZT/3TC/EFV. Regarding associations, note that BMI was associated with the time of HIV infection, the percentage of fat related to gender and income, lipodystrophy with age, use of ART, time of infection and ART, the circumference of the abdomen (CAb) with gender, age, education, duration of infection and ART, the waist-hip ratio (WHR) with age, education and time to ART. For biochemical, immunological and hemoglobin markers was no association between BMI and glucose and triglyceride, percentage fat with total cholesterol and triglycerides, lipodystrophy with viral load, triglyceride and total cholesterol, the CAb with viral load, triglyceride and hemoglobin, WHR with glucose, triglyceride and total cholesterol. The AMA was higher in patients without IP in the ART regimen, with time of infection above 50 months and in males. The strength of the dominant and non-dominant handgrip were higher for males, not brown, not using IP in ART and normal concentration of hemoglobin. In addition, patients aged 60-68 years showed values of dominant and non-dominant force lower than other age groups. According to quality of life was observed lower scores for concern related to confidentiality and financial, were the largest ever with professional confidence and concern about medication. We can concluded that the presence of lipodystrophy, inadequate CAB and WHR caused changes in total cholesterol and triglyceride. Time of HIV and high ART positively associated with lipodystrophy, changed CAB and WHR. The active patients showed better scores for the overall function, life satisfaction, concerns about confidentiality and the overall average scores compared to inactive.
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