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. 2020 Mar 9;224(7):1209–1218. doi: 10.1093/infdis/jiaa089

Table 1.

Median Estimate of Infectious Units per Million Values for Each Participant by Assay

Participant No. and Assay IUPM Value
2.5% CI 5% CI 10% CI 25% CI Median Estimate 75% CI 90% CI 95% CI 97.5% CI
Participant 1126
 QVOA M 0.62 0.69 0.81 1.07 1.44 1.91 2.56 3.03 3.44
 QVOA RNA 4.63 5.47 6.26 8.19 10.98 15.35 20.06 22.93 26.61
 QVOA S 0.42 0.49 0.58 0.80 1.18 1.63 2.19 2.63 3.10
 QVOA SR 0.43 0.48 0.60 0.81 1.15 1.66 2.28 2.89 3.35
 QVOA Simoa 2.44 2.86 3.30 4.51 6.43 9.27 13.07 15.76 18.69
 TILDA 17.33 20.41 23.57 29.54 40.15 55.50 76.23 87.28 98.81
 iCARED caRNA1 130.31 149.14 174.74 229.07 318.41 433.79 557.55 666.82 783.36
 iCARED caRNA2 3.61 4.45 5.31 6.99 9.44 13.21 17.52 20.64 23.61
 iCARED cfRNA 1.93 2.18 2.52 3.23 4.43 6.08 7.77 9.33 10.62
Participant 2026
 QVOA M 0.08 0.10 0.12 0.16 0.23 0.33 0.45 0.57 0.63
 QVOA RNA 0.98 1.10 1.30 1.69 2.39 3.16 4.09 4.83 5.86
 QVOA S 0.07 0.09 0.11 0.15 0.22 0.35 0.48 0.57 0.66
 QVOA SR 0.02 0.03 0.04 0.05 0.09 0.14 0.20 0.25 0.30
 QVOA Simoa 0.13 0.16 0.19 0.27 0.39 0.56 0.80 0.95 1.25
 TILDA 2.94 3.30 3.93 5.14 6.93 9.63 12.47 15.13 16.72
 iCARED caRNA1 9.83 11.02 12.99 17.04 23.61 31.87 43.31 48.64 57.18
 iCARED caRNA2 1.07 1.17 1.38 1.82 2.48 3.37 4.58 5.20 6.05
 iCARED cfRNA 0.54 0.60 0.74 1.01 1.40 1.93 2.55 3.03 3.43
Participant 2147
 QVOA M 0.18 0.21 0.26 0.35 0.47 0.64 0.87 1.00 1.15
 QVOA RNA 1.97 2.22 2.66 3.47 4.69 6.47 8.59 10.55 12.15
 QVOA S 0.31 0.36 0.43 0.57 0.82 1.12 1.51 1.81 2.18
 QVOA SR 0.02 0.03 0.05 0.08 0.13 0.20 0.30 0.39 0.47
 QVOA Simoa 0.16 0.19 0.22 0.33 0.52 0.78 1.17 1.44 1.66
 TILDA 59.85 69.76 80.21 107.23 144.95 199.08 265.36 313.98 362.28
 iCARED caRNA1 29.19 33.68 40.44 54.68 76.65 104.06 142.57 159.39 175.80
 iCARED caRNA2 13.06 15.50 18.04 24.61 34.08 47.34 64.33 75.99 87.38
 iCARED cfRNA 1.08 1.27 1.54 2.05 2.78 3.72 4.90 5.80 6.65
2208
 QVOA M 0.14 0.16 0.20 0.26 0.35 0.49 0.66 0.77 0.91
 QVOA RNA 1.74 1.97 2.43 3.26 4.46 6.05 8.09 9.51 11.16
 QVOA S 0.05 0.06 0.07 0.09 0.13 0.18 0.24 0.29 0.33
 QVOA SR 0.02 0.03 0.04 0.06 0.09 0.13 0.18 0.23 0.30
 QVOA Simoa 0.08 0.10 0.12 0.19 0.28 0.41 0.58 0.71 0.87
 TILDA 9.34 11.33 13.65 19.33 27.65 40.05 56.07 69.75 83.06
 iCARED caRNA1 25.20 29.07 34.70 45.98 60.65 82.80 106.38 126.91 148.59
 iCARED caRNA2 4.45 5.41 6.30 8.00 10.96 15.15 19.20 22.55 25.34
 iCARED cfRNA 0.33 0.38 0.45 0.59 0.80 1.12 1.48 1.76 1.92
Participant 3068
 QVOA M 0.16 0.19 0.24 0.32 0.46 0.66 0.90 1.07 1.27
 QVOA RNA 1.43 1.59 1.93 2.53 3.56 4.81 6.39 7.78 9.22
 QVOA S 0.09 0.10 0.12 0.17 0.26 0.38 0.55 0.66 0.76
 QVOA SR 0.03 0.04 0.05 0.08 0.12 0.18 0.25 0.32 0.37
 QVOA Simoa 0.21 0.26 0.30 0.40 0.59 0.87 1.20 1.50 1.73
 TILDA 2.91 3.51 4.30 5.88 8.31 11.54 15.31 18.71 21.34
 iCARED caRNA1 31.76 36.70 42.13 54.34 71.14 94.38 120.75 150.07 176.69
 iCARED caRNA2 2.34 2.78 3.31 4.32 5.85 7.75 10.27 12.26 13.87
 iCARED cfRNA 0.36 0.42 0.52 0.67 0.89 1.20 1.59 1.85 2.15

Abbreviations: caRNA1, cell-associated human immunodeficiency virus (HIV) gag RNA; caRNA2, cell-associated HIV tat-rev RNA; cfRNA, cell-free HIV RNA; CI, credible interval; iCARED, inducible cell-associated RNA expression in dilution; IUPM, infectious units per million; QVOA, quantitative viral outgrowth assay; QVOA M, QVOA by University of Pittsburgh; QVOA RNA, QVOA by University of California, San Diego, with HIV RNA readout; QVOA S, QVOA by Johns Hopkins University; QVOA Simoa, QVOA by Southern Research using Simoa readout; QVOA SR, QVOA by Southern Research; TILDA, tat/rev-induced limiting dilution assay.