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. 2013 Jun 18;13:274. doi: 10.1186/1471-2334-13-274

Table 1.

Comparison of qualitative and quantitative variables in HIV-infected individuals according to age group, followed in two referral hospitals in the state of Pernambuco, Brazil

Variables < 40 years (n=351) ≥ 40 years (n=346) p-value
Sociodemographics
  
  
  
Age (years) – Mean (SD)
 31.8 (4.96)
 47.8 (6.14)
 < 0.001
Male (%)
 59.5
 57.8
 0.641
White (%)
 25.6
 24.9
 0.811
Stable partner (%)
 19.4
 24.3
 0.117
Habits
  
  
  
Smoking (%)
 23.0
 22.0
 0.725
Alcohol consumption (%)
 40.4
 35.2
 0.167
Injecting drugs use (%)
 6.0
 3.8
 0.368
Clinical characteristics
  
  
  
Diabetes (%)
 0.9
 6.2
 < 0.001
Lipodystrophy (%)
 31.5
 39.8
 0.024
Dyslipidemia (%)
 16.1
 31.7
 < 0.001
Metabolic syndrome (%)
 16.9
 31.3
 < 0.001
HIV-related characteristics
  
  
  
Time elapsed since diagnosis HIV (in months -DP)
 40.5 (37.5)
 58.4 (49.6)
 < 0.001
CD4 T-lymphocytes baseline - Median (P25 – P75)
 323 (158 – 498)
 258 (94 – 473)
 0.005*
Viral load baseline - Median (P25 – P75)
 29600 (3341 – 134000)
 57400 (6170 – 205000)
 0.026*
CD4 T-lymphocytes current - Median (P25 – P75)
 391 (262 – 535)
 383 (242 – 564)
 0.949*
Viral load, current undetectable (%)**
 31.7
 46.7
 0.005
HAART duration (in months) Median (P25–P75)
 23.5 (9.9 – 42.6)
 36.3 (17.7 – 65.2)
 < 0.001*
NNTRI Use (%)
 36.6
 47.1
 0.005
PI use (%)
 21.7
 26.9
 0.112
Without HAART (%)
 41.3
 25.7
 < 0.001
Laboratory tests
  
  
  
Total cholesterol (mg/dL) - Mean (SD)
 163.5 (40.0)
 189.6 (54.5)
 < 0.001
LDL cholesterol (mg/dL) - Mean (SD)
 93.9 (38.8)
 106.7 (40.8)
 0.001
HDL cholesterol (mg/dL) - Mean (SD)
 42.2 (13.6)
 43.5 (14.1)
 0.216
Triglycerides (mg/dL) - Mean (SD)
 148.8 (102.8)
 204.6 (213.0)
 < 0.001
USG of carotid arteries
  
  
  
Presence of sublinical atherosclerosis (%)
 23.4
 66.5
 < 0.001
Carotid intima thickness (mm) - Median (SD) 0.742 (0.084) 0.841 (0.150) < 0.001

* Kruskal - Wallis test.

** 328 patients with viral load information.