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Table 3 Quantity and quality of available B-type natriuretic peptide (BNP) and N-terminal fragment (NT-proBNP) results using arbitrary scales

From: Supramaximal elevation in B-type natriuretic peptide and its N-terminal fragment levels in anephric patients with heart failure: a case series

Pre-SIA stage

SIA stage

Post-SIA stage

Quant.

Qual.

Quant.

Qual.

Quant.

Qual.

-

NA

++

√√

NA

NA

-

NA

+

+

√√√

-

NA

+

√√√

NA

  1. Quant. = Quantity of available results: – = Nil amount, + = Small amount, ++ = Moderate amount, +++ = Large amount
  2. Qual. = Quality of available results (based on number of tests able to be done simultaneously on the same blood sample): √ = Fair, √√ = Good, √√√ = Excellent
  3. SIA; Surgically-induced anephric, NA; Not applicable.