Table 1. Individual characteristics among enrolled patients (n = 301) and those who refused to participate in the survey (n = 40).
| Enrolled (N = 301) |
Refused to participate (N = 40) |
p-value | ||||
|---|---|---|---|---|---|---|
| N | % | N | % | |||
| Sex, female | 178 | 59.1 | 22 | 55.0 | 0.74 | |
| Age years, median [IQR] | 38 | [32–45] | 38 | [34–44] | 0.59 | |
| CD4 /mm3, median [IQR] | 254 | [110–437] | 296 | [116–407] | 0.80 | |
| WHO stage, | ||||||
| 1 | 146 | 57.9 | 20 | 60.6 | 0.36 | |
| 2 | 60 | 23.8 | 11 | 33.3 | ||
| 3 | 35 | 13.9 | 2 | 6.1 | ||
| 4 | 11 | 4.4 | 0 | 0.0 | ||
| Registred as a Blood donor, yes | 73 | 24.3 | 8 | 20.0 | 0.82 | |
IQR: interquartile range
n.b.: Percentages presented in the table and taken into account for missing values which were found for WHO stage (49 missing values among enrolled patients and 7 among those who refused to participate), CD4 count (10 missing values among enrolled patients and 3 among those who refused to participate).
P value test (Chi-square test or Fisher’s exact test to compare qualitative variables and the Wilcoxon rank-sum test to compare the medians of a quantitative variable between groups)