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. 2021 Jan 8;18(2):477. doi: 10.3390/ijerph18020477

Table 2.

Concordance correlation coefficient between MLSSv and the three lactate indexes determined in the incremental step test.

CCC Precision Accuracy
V4 (m∙s−1) 0.88 0.90 0.98
vLTlog-log (m∙s−1) 0.86 0.89 0.96
vLTDmax (m∙s−1) 0.74 0.90 0.83

CCC, concordance correlation coefficient; V4, swimming velocity eliciting a lactate concentration of 4 mmol.L−1; vLTlog-log, swimming velocity associated to lactate threshold determined from log-log methodology; vLTDmax, swimming velocity associated to lactate threshold determined from Dmax methodology.