Table 1. Demographic and Clinical Characteristics, by Cohort.
| Newly Treated Cohort, lines ≥90 d (N = 8,617 patients) | CD4 Measurements Cohort (N = 803 measurements) | |
| Age in y, mean (SD) | 40.5 (10.1) | 48.6 (8.1) |
| Median (IQR) | 41.0 (33.0–48.0) | 49.0 (44.0–54.0) |
| Age, No. (%) | ||
| 18–34 y | 2515 (29.2%) | 43 (5.4%) |
| 35–44 y | 2976 (34.5%) | 176 (21.9%) |
| 45–54 y | 2393 (27.8%) | 397 (49.4%) |
| ≥55 y | 733 (8.5%) | 187 (23.3%) |
| Gender—male, No. (%) | 7088 (82.3%) | 610 (76.0%) |
| Health plan, No. (%) | ||
| Point of service | 984 (11.4%) | 17 (2.1%) |
| Health maintenance organization | 1642 (19.1%) | 57 (7.1%) |
| Preferred provider organization | 4940 (57.3%) | 593 (73.8%) |
| Comprehensive coverage | 105 (1.2%) | 0 |
| Othera | 946 (11.0%) | 136 (16.9%) |
| Region, No. (%) | ||
| Northeast | 1123 (13.0%) | 758 (94.4%) |
| North central | 1313 (15.2%) | 0 (0) |
| South | 4415 (51.2%) | 32 (4.0%) |
| West | 1554 (18.0%) | 12 (1.5%) |
| Unknown | 212 (2.5%) | 1 (0.1%) |
| Charlson Comorbidity Index, No. (%) | ||
| 0 | 6625 (76.9%) | 702 (87.4%) |
| 1 | 1165 (13.5%) | 59 (7.4%) |
| 2 | 495 (5.7%) | 22 (2.7%) |
| ≥3 | 332 (3.9%) | 20 (2.5%) |
| Any AIDS-defining conditions, No. (%) | 1760 (20.4%) | 116 (14.4%) |
IQR, interquartile range; SD, standard deviation.
a
Other health plan includes basic/major medical, exclusive provider organization, consumer-directed health plan, and high-deductible health plan.