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Table 4 Comparison of ability to estimate liver to blood inoculum (LBI) using peak method for participants in VAC052 and KCS: qRT-PCR vs Oxford qPCR methods

From: Increased sample volume and use of quantitative reverse-transcription PCR can improve prediction of liver-to-blood inoculum size in controlled human malaria infection studies

Study

LBI

Oxford qPCR: n (%)

Able to estimate using data ≥ LLQ

Able to estimate using data ≥ LLD

Not able to estimate using data ≥ LLQ

Not able to estimate using data ≥ LLD

VAC052 (n = 27)

UW large volume qRT-PCR: n (%)

Able to estimate using data ≥ LLQ

18 (67%)

22 (81%)

5 (19%)

1 (4%)

Not able to estimate using data ≥ LLQ

0 (0%)

1 (4%)

4 (15%)

3 (11%)

KCS (n = 28)

UW large volume qRT-PCR: n (%)

Able to estimate using data ≥ LLQ

20 (71%)

28 (100%)

8 (29%)

0

Not able to estimate using data ≥ LLQ

0

0

0

0

  1. Sterilely protected VAC052 volunteers were NAT negative by all assays and were excluded from the analysis.