Sentence examples for proportion of specimens from inspiring English sources

We have previously used the proportion of specimens positive for influenza as proxy for influenza virus activity.

During June 1-June 14, HAPS data on the proportion of specimens positive for pH1N1 were not available because HAPS was not performing the pH1N1 rRT-PCR assay.

This assumes that the proportion of specimens that test positive for recent infection is the same for persons with available specimens and for those whose specimens were missing.

Among all specimens with repeatedly reactive EIAs, we evaluated the proportion of specimens that were Western blot-negative, indeterminate, or positive, and the positive predictive value of the EIA test, by pregnancy status.

Nevertheless, when the proportion of specimens found to be infected on follow-up were removed, pregnant women were not more likely to have false-positive HIV EIA test results than others testing for HIV, as previously thought.

The proportion of specimens positive for Shigella spp. was also substantially lower than most other estimates in the region, which ranged from 10 16% [5], [12], [17], [18], [19].

A typical form of this main effect model is (2) where flu t - l is the proportion of specimen positive for influenza A and B at the lag l week (l = 0, 1, 2, 3) of week t.

This higher proportion of specimen from treated patients among under-called samples was accompanied by significantly lower VLref (mean VLref = 3.82Log10 RNA copies/mL among the misclassified patients versus 4.9Log10 RNA copies/mL among the correctly classified patients, P < 0.0001).

The proportions of specimens with HI antibody titres≥40 against seasonal influenza A subtypes were compared for specimens with pH1N1 antibody titres≥40 vs <40 (Table 4).

In our previous study, the virus activity was measured by the weekly proportions of specimens positive for each virus (proportion variable), respectively.

Influenza activity, which was measured by the weekly proportions of specimens positive for influenza compiled from laboratory surveillance data, is showed in Figure 1A.