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Table 1 Characteristics of the study population at enrolment, 1999–2013, (n = 9320; only selected migrant groups shown)

From: CD4-cell counts and presence of AIDS in HIV-positive patients entering specialized care—a comparison of migrant groups in the German ClinSurv HIV Cohort Study, 1999–2013

Characteristic at enrolment Non-Migrants Western Europe Central Europe Eastern Europe Sub-Sahara Africa South-East Asia
Total number of patients 7,427 307 463 280 1,167 263
Median Age (in years); (interquartile range) 38 (31–45) 37 (31–44) 34 (29–42) 31 (26–37) 33 (28–39) 33 (28–39)
Sex
 Female; n (%) 890 (12) 33 (11) 85 (18) 110 (39) 708 (61) 127 (48)
 Male; n (%) 6537 (88) 274 (89) 378 (82) 170 (61) 459 (39) 136 (52)
Transmission Group; n (%)
 MSM 4,724 (64) 187 (61) 209 (45) 62 (22) 22 (2) 72 (27)
 IDU 610 (8) 29 (9) 41 (9) 76 (27) 7 (0.60) 6 (2)
 Hetero 1,348 (18) 50 (16) 151 (33) 94 (34) 3 (0.26) 31 (12)
 High prevalence country (HPC)a -- 7 (2) 5 (1) 6 (2) 1,135 (97) 133 (51)
 Unknown 745 (10) 34 (11) 57 (12) 42 (15) -- 21 (8)
Patients with AIDS; n (%) 1,086 (15) 43 (14) 66 (14) 18 (6) 184 (16) 72 (27)
Median CD4-count (cells/μl); (interquartile range) 340;
(162–520)
305;
(122–521)
310;
(140–467)
398;
(235–561)
253;
(120–410)
198;
(64–369)
  1. aTransmission group HPC (High prevalence country): origin from a high prevalence country for HIV-infection, when other transmission group category is unknown. A high prevalence country is defined as a country with an adult HIV infection prevalence of >1% [14]