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Table 1 Population characteristics of the 4402 of newly diagnosed people living with HIV/AIDS in Iran (1987–2016) stratified by late and early diagnosis

From: Identifying risk factors for late HIV diagnosis and survival analysis of people living with HIV/AIDS in Iran (1987–2016)

Variable Late Diagnosis (CD4 < 350a) Early Diagnosis (CD4 > 350) Total
N % N % N
All 2564 58.2 1838 41.8 4402
Age (year)
 < 30 603 41.7 842 58.3 1445
 30–40 1167 62.9 689 37.1 1856
 40–50 551 70.3 233 29.7 784
 > 50 243 76.7 74 23.3 317
Sex
 Female 705 51.4 667 48.6 1372
 Male 1859 61.4 1171 38.6 3030
Marital Status
 Single 774 54.2 655 45.8 1429
 Married 1263 59.2 870 40.8 2133
 Widow 314 61.8 194 38.2 508
 Divorce 168 63.4 97 36.6 265
 Unknown 45 67.2 22 32.8 67
Education
 Illiterate 201 63.0 118 37.0 319
 Primary School 617 60.5 403 39.5 1020
 Secondary School 713 56.5 548 43.5 1261
 High School 522 56.8 379 43.2 919
 Academic 151 55.1 123 44.9 274
 Unknown 360 59.1 249 40.9 609
Job
 Employed 884 58.1 637 41.9 1521
 Unemployed 1009 58.0 731 42.0 1740
 Unknown 671 58.8 470 41.2 1141
Transmission Way
 Mother to child’s 37 30.3 85 69.7 122
 Injecting drug user 1290 61.3 814 38.7 2104
 Unprotected sexual 878 53.3 768 46.7 1646
 Blood transfusion 11 78.5 4 21.5 14
 Unknown 298 57.8 218 42.2 516
WHO Clinical Stage
 Stage 1 897 44.9 1100 55.1 1997
 Stage 2 371 62.5 223 37.5 594
 Stage 3 489 85.0 86 15.0 575
 Stage 4 331 89.0 41 11.0 372
 Unknown 476 55.1 388 44.9 864
Year of HIV Diagnosis
 Before 2006 229 43.2 301 56.8 530
 2006–2011 862 62.1 526 37.9 1388
 After 2011 1473 59.3 1011 40.7 2484
TB co-infection
 No 2374 57.3 1768 42.7 4142
 Yes 190 73.1 70 26.9 260
  1. aCD4 cell count < 350 cells/mm3 within 91 days of diagnosis