From: Testing limits to airflow perturbation device (APD) measurements
Subject
1
2
3
4
5
6
7
8
9
10
Average
2.82
5.44
3.96
4.90
4.16
3.79
4.45
4.36
2.76
4.94
Std Dev
0.06
0.22
0.13
0.30
0.12
0.31
0.08
0.14
0.20
0.17