Table 1.
Patient Characteristics at First Positive HIV Test
| Total | Early presentation | Late presentation | ||
|---|---|---|---|---|
| n = 3744 (100%) | n = 1063 (28%) | n = 2681 (72%) | p-valuea | |
| Year of first positive test, n (%) | ||||
| 2003–2006 | 1395 (37) | 489/1395 (35) | 906/1395 (65) | <0.001 |
| 2007–2009 | 1476 (39) | 348/1476 (24) | 1128/1476 (76) | |
| 2010–2012 | 873 (23) | 226/873 (26) | 647/873 (74) | |
| Age, median years (IQR) | 34 (28–41) | 32 (26–39) | 35 (29–42) | <0.001 |
| Age, years, n (%) | ||||
| ≤30 | 1320 (35) | 485/1320 (37) | 835/1320 (63) | <0.001 |
| 31–40 | 1436 (38) | 361/1436 (25) | 1075/1436 (75) | |
| 41–50 | 675 (18) | 141/675 (21) | 534/675 (79) | |
| ≥51 | 313 (8) | 76/313 (24) | 237/313 (76) | |
| Sex, n (%) | ||||
| Male | 2691 (72) | 707/2691 (26) | 1984/2691 (74) | <0.001 |
| Female | 1053 (28) | 356/1053 (34) | 697/1053 (66) | |
| HIV exposure category, n (%) | ||||
| Heterosexual contact | 2394 (64) | 612/2394 (26) | 1782/2394 (74) | <0.001 |
| Homosexual contact | 684 (18) | 306/684 (45) | 378/684 (55) | |
| Injecting drug use | 343 (9) | 32/343 (9) | 311/343 (91) | |
| Otherb | 323 (9) | 113/323 (35) | 210/323 (65) | |
| Hepatitis B coinfection, n (%) | ||||
| Negative | 2650 (71) | 708/2650 (27) | 1942/2650 (73) | 0.606 |
| Positive | 327 (9) | 83/327 (25) | 244/327 (75) | |
| Not tested | 767 (20) | 272/767 (35) | 495/767 (65) | |
| Hepatitis C coinfection, n (%) | ||||
| Negative | 2306 (62) | 642/2306 (28) | 1664/2306 (72) | <0.001 |
| Positive | 456 (12) | 68/456 (15) | 388/456 (85) | |
| Not tested | 982 (26) | 353/982 (36) | 629/982 (64) | |
a
Excluding not tested or missing values.
b
Includes those exposed to blood products and unknown exposures.
Late presentation was defined as a CD4 cell count <200 cells/μl or an AIDS-defining event (CDC Category C) within 3 months of the first positive test.
IQR, interquartile range