Table 5.

Difference in median interquartile range ID50 by participant characteristics within HIV+ participants using quantile regression.

	HIV + participants without past COVID-19 infection (n = 211)						HIV+ participants with past COVID-19 infection (n = 45)
Comparison	Wuhan	P	Delta	P	Omicron	P	Wuhan	P	Delta	P	Omicron	P
Age >55 years	−10.5 (−23.3, 2.3)	0.108	−4.2 (−12.2, 3.8)	0.301	−1.1 (−2.2, 0.1)	0.074	−37.5 (−121.7, 46.7)	0.374	−52.4 (−130.0, 25.1)	0.180	3.3 (−15.8, 22.5),	0.728
Immune nonresponder (CD4+ <350 cells/μl, CD4+/CD8+ <0.75, suppressed VL)	4.2 (−34.8, 43.1)	0.832	2.1 (−13.7, 17.9)	0.795	1.0 (−3.6, 5.7)	0.669	–		–	–	–
Multimorbidity (≥2 comorbidities)	−10.2 (−22.7, 2.3)	0.109	−1.3 (−9.1, 6.6)	0.754	−1.3 (−2.5, 0.0)	0.047	59.2 (−61.1, 179.5)	0.326	29.4 (−59.9, 118.6)	0.510	7.2 (−11.2, 25.6)	0.431
HIV+ stable/reference (CD4+ ≥350 cells, suppressed VL and ≤1 comorbidity)	3.0 (−11.4, 17.4)	0.683	0.0 (−5.9, 6.0)	0.997	0.9 (−0.4, 2.1)	0.167	−66.0 (−146.7, 14.6)	0.106	−33.9 (−114.5, 46.8)	0.401	−7.5 (−24.5, 9.4)	0.372

VL, viral load.