Table 3.
Brain region | Volume (mm3)a | Regression controlling for sex | Regression controlling for sex and total intracranial volume | |||||
---|---|---|---|---|---|---|---|---|
| ||||||||
HIV+ | Uninfected | Effect size (standard error) | p | FDR Adjusted p-value | Effect size (standard error) | p | FDR Adjusted p-value | |
Total intracranial volume | 1427991 (104991) | 1477778 (130776) | 19199 (22288) | 0.02* | 0.09† | - | - | - |
Global gray matter | 713353 (52485) | 731931 (63920) | 24521 (14204) | 0.07† | 0.14 | 18518 (12489) | 0.01* | 0.04* |
Global white matter | 380733 (41701) | 401041 (52381) | 19685 (10213) | 0.01* | 0.09† | 14388 (8229) | <0.001* | 0.01* |
Corpus callosum | 3349 (450) | 3462 (470)) | 76(89) | 0.21 | 0.27 | 56 (86) | 0.16 | 0.20 |
L caudate | 3701 (501) | 3807 (458) | 98 (100) | 0.26 | 0.30 | 50 (84) | 0.19 | 0.22 |
R caudate | 3868 (499) | 3992 (451) | 121 (104) | 0.18 | 0.27 | 71 (87) | 0.11 | 0.15 |
L hippocampus1 | 3443 (321) | 3583 (362) | 114 (89) | 0.03* | 0.11 | 97 (87) | 0.02* | 0.05* |
R hippocampus2 | 3554 (358) | 3696 (391) | 184 (89) | 0.05* | 0.14 | 159 (85) | 0.03* | 0.06† |
L putamen | 5006 (526) | 5205 (612) | 371 (133) | 0.06† | 0.14 | 324 (123) | 0.03* | 0.06† |
R putamen | 5069 (538) | 5313 (585) | 360 (120) | 0.02* | 0.09† | 326 (114) | 0.01* | 0.04* |
L thalamus | 7205 (647) | 7365 (694) | -12 (125) | 0.19 | 0.27 | -81 (97) | 0.09† | 0.14 |
R thalamus | 7151 (672) | 7349 (731) | 76 (134) | 0.11 | 0.19 | 9 (110) | 0.05* | 0.08† |
L lateral ventricle | 6214 (2320) | 6517 (2754) | -49 (498) | 0.54 | 0.58 | -291 (415) | 0.51 | 0.54 |
R lateral ventricle | 5731 (1937) | 5870 (2458) | -127 (441) | 0.75 | 0.75 | -357 (354) | 0.72 | 0.72 |
Values are Mean (Standard deviation)
Left and right hippocampus each had an extreme outlier, which was removed before analysis (N=101).
p ≤ 0.05 (denoted in bold)
p < 0.1