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Qualitatively speaking, it is reasonable that the evidence types 1 and 3 should be a plus (positive effect) to the estimated affinity, while evidence types 2 and 4 be a minus (negative effect).
Many pregnancy tests show the results with either a plus (positive) or minus (negative) symbol in red or blue.
A determinate test must have mitogen minus negative control ≥ 0.5 IU/ml and/or TB antigens minus negative control ≥ 0.35 IU/ml.
An IFN-γ ≥ 0.35 IU/ml (TB antigens minus negative control) was considered a positive test.
The % specific response is the ratio of IFNγ response to test antigen (Ag) minus negative control (N) versus the response to mitogen (M) minus negative control (N), times 100.
The result was considered to be positive if the IFN-γ level after stimulation with TB antigens minus negative control was ≥ 0.35 IU/ml and ≥ 25% of the negative control.
Similar(53)
AATD COPD patients on augmentation therapy exhibited a positive venous-minus-arterial TNFα serum difference, whereas those off augmentation therapy exhibited a negative venous-minus-arterial TNFα difference.
But on an item that asked whether minus-4 was a negative or a positive number, he confidently picked positive.
"It's not really about me," said Holik, who has a negative plus-minus rating in five of his first nine games with the Rangers.
Engage your critical thinking capacity, and cover all the factors -- pluses and minuses -- not just negative ones.
It ended as the worst season of his career, as Tanguay finished with 10 goals, 37 points and had a negative plus-minus (−2) for the first time in his career.
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