Table 2.
Number and Percentage of Women by CD4 Cutoffs 200 and 350 Cells/μl and Time Postpartuma
|
CD4 at delivery (cells/μl) |
CD4 at 6 weeks (n) (cells/μl) |
Sensitivity (95% CI) |
Specificity (95% CI) |
PPVb(95% CI) |
NPVb(95% CI) |
|
|---|---|---|---|---|---|---|
| <200 | ≥200 | |||||
| <200 | 39 | 26 | 91 (78–97) | 93 (90–95) | 60 (47–72) | 99 (97–100) |
| ≥200 | 4 | 354 | ||||
| <175 | 39 | 15 | 91 (78–97) | 96 (94–98) | 72 (58–84) | 99 (97–100) |
| ≥175 | 4 | 365 | ||||
| <150 | 34 | 7 | 79 (64–90) | 98 (96–99) | 83 (68–93) | 98 (96–99) |
| ≥150 | 9 | 373 | ||||
| <350 | ≥350 | |||||
|---|---|---|---|---|---|---|
| <350 | 102 | 64 | 90 (83–95) | 79 (74–84) | 61 (54–69) | 96 (92–98) |
| ≥350 | 11 | 246 | ||||
| <325 | 97 | 53 | 86 (78–92) | 83 (78–87) | 65 (56–72) | 94 (91–97) |
| ≥325 | 16 | 257 | ||||
| <300 | 88 | 41 | 78 (69–85) | 87 (82–90) | 68 (59–76) | 91 (88–94) |
| ≥300 | 25 | 269 |
a
423 women who had CD4 cell counts available at delivery and 6 weeks are included.
b
PPV, positive predictive value; NPV, negative predictive value.