TABLE III

HVLD Precision—Differences among Test Days and between Bag Sources

Method	Sensitivity set point	Column A WAL-made bags	Column B Novo Nordisk–made bags	Column C WAL-made versus Novo Nordisk–made bags
Method	Sensitivity set point	Mean voltage Day-to-day agreement	Mean voltage Day-to-day agreement	Mean voltage agreement across test days
1	Lower	± 1 σ	± 1 σ	± 1 σ
1	Upper	± 2 σ	± 1 σ	± 2 σ
2	Lower	± 2 σ	± 2 σ	± 1 σ
2	Upper	± 3 σ	± 2 σ	± 1 σ
3	Lower	± 2 σ	± 2 σ	± 1 σ
3	Upper	± 1 σ	± 1 σ	± 1 σ
4	Lower	± 2 σ	± 1 σ	± 1 σ
4	Upper	± 1 σ	± 1 σ	± 1 σ
5	Lower	± 1 σ	± 1 σ	± 1 σ
5	Upper	± 1 σ	± 1 σ	± 1 σ
6	Lower	± 1 σ	± 1 σ	± 2 σ
6	Upper	± 1 σ	± 1 σ	± 1 σ