Table 3.
Sweat [Na+] | Sweat [K+] | |
---|---|---|
Mean difference ± SD (mEq/L) | 4.71 ± 7.87* | 0.44 ± 0.52* |
95% CI of mean difference (mEq/L) | 3.64–5.78 | 0.34–0.54 |
ICC | 0.96* | 0.87* |
SEE (mEq/L) | 5.56 | 0.39 |
TEM (mEq/L) | 5.56 | 0.37 |
CV (%) | 9.37 | 8.36 |
n = 210 for sweat [Na+] and 116 for sweat [K+]. CV. coefficient of variation; CI, confidence interval; HPLC, ion chromatography using the Dionex ICS‐3000; HORIBA, Horiba B‐722 for sweat [Na+] and Horiba B‐731 for sweat [K+]; ICC, intraclass correlation coefficient (based on two‐way mixed ANOVA, absolute agreement, average measures); SD, standard deviation; SEE, standard error of the estimate; TEM, typical error of measurement; *P < 0.001.