Table 5.
Sweat [Na+] | Sweat [K+] | |
---|---|---|
Mean difference ± SD (mEq/L) | 3.97 ± 10.87* | 0.50 ± 0.48* |
95% CI of mean difference (mEq/L) | 2.49–5.45 | 0.42–0.59 |
ICC | 0.93* | 0.84* |
SEE (mEq/L) | 8.68 | 0.44 |
TEM (mEq/L) | 7.68 | 0.34 |
CV (%) | 12.54 | 8.48 |
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.