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Decline in CD4 count in various time quartiles.
| Time quartiles in months (n) | Mean CD4 ± SD (95% CI) | Median decline in CD4 count (cells/μL) | Correlation coefficient between decline and initial CD4 count |
|---|---|---|---|
| 0–6 (129) | 354 ± 218.58 (316.28, 391.72) | 3 | −0.52 (p = 0.001) |
| 6–11 (24) | 319 ± 203.86 (237.44, 400.56) | 26 | −0.78 (p = 0.000) |
| 11–21.5 (28) | 307.29 ± 127.64 (260.01, 354.57) | 30 | −0.48 (p = 0.015) |
| ≥21.5 (28) | 379 ± 217.46 (298.45, 459.55) | 52 | −0.80 (p = 0.000) |
