Table 1.
Demographic variables for patients and controls
| Characteristic | Patients (N = 72 ) | Controls (N = 39) |
|---|---|---|
| Age (years) [mean (range, SD)] | 48.8 (26–70, 9.3) | 52.6 (28–68, 10.7) |
| Sex | 61 (84.7 %) men | 31 (79.5 %) men |
| MSM: 55 (90.2 %) | MSM: 8 (25.8 %) | |
| 11 (15.3 %) women | 8 (20.5 %) women | |
| Nadir CD4 cell count (cells/μL) [mean (IQR)] | 213 (90–310) | n.a. |
| Duration HIV-infection (years) [mean (IQR, SD)] | 9.4 (4.4–14.6, 6.4) | n.a. |
| Duration cART treatment (years) [mean (IQR, SD)] | 7.8 (3.1–12.8, 5.6) | n.a. |
| Regular alcohol usea | 17 (23.6 %) | 20 (51.3 %) |
| Regular drug useb | 7 (9.6 %) | 3 (7.7 %) |
| Education level [median (range)]c | 6 (2–7) | 6 (3–7) |
| Estimated IQ [mean (SD)] | 98*(14.5) | 104 (14.0) |
n.a. not applicable, MSM Men who have sex with men
aRegular alcohol use is use of alcohol for three or more times a week or binge drinking on two subsequent days
bRegular drug use is use of a drug for four times or more times a month
cEducation level was recorded using seven categories based on the Dutch educational system, which can be related to the Anglo-Saxon system using years of education: 1:1–5 years, 2:6 years, 3:7–8 years, 4:7–9 years, 5:7–10 years, 6:7–17 years and 7: >18 years
* p < 0.05