Table 2 Variation of sweat chloride concentration measured by a wearable sensor during walking at 1.8 m s−1 and from a standard sweat test following pilocarpine iontophoresis.

From: Out-of-clinic measurement of sweat chloride using a wearable sensor during low-intensity exercise

Subject

Trials

Sweat sensor test

Standard sweat test

  

Median (mM)

Range (mM)

CV (%)

Median (mM)

Range (mM)

CV (%)

1

5

17

15.6–18.6

7

16

13–21

20

2

5

5.7

4.9–5.8

11

10

<10–16

N/Aa

3

5

25.1

8.1–36.8

44

24

21–31

23%

  1. aThe sweat concentration for two of five results was less than the threshold for laboratory measurement (10 mM).