Table 6 Consistency of measurements for each subject measured with three different APDs.
From: Testing limits to airflow perturbation device (APD) measurements
Subject | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |
|---|---|---|---|---|---|---|---|---|---|---|---|
Control 1 (APD 1) | Avg | 2.86 | 5.20 | 3.96 | 5.12 | 4.30 | 3.53 | 4.50 | 4.52 | 2.91 | 4.97 |
Std Dev | 0.29 | 0.81 | 0.31 | 0.66 | 0.41 | 0.42 | 0.28 | 0.24 | 0.28 | 0.46 | |
No. | 20 | 20 | 18 | 20 | 20 | 20 | 16 | 10 | 14 | 18 | |
Control 2 (APD 2) | Avg | 2.86 | 5.50 | 4.09 | 4.56 | 4.09 | 4.14 | 4.50 | 4.28 | 2.66 | 5.13 |
Std Dev. | 0.26 | 0.77 | 0.29 | 0.37 | 0.21 | 0.54 | 0.43 | 0.19 | 0.21 | 0.40 | |
No. | 10 | 10 | 9 | 10 | 10 | 10 | 8 | 5 | 7 | 9 | |
Control 3 (APD 3) | Avg | 2.75 | 5.63 | 3.82 | 5.02 | 4.08 | 3.70 | 4.36 | 4.29 | 2.72 | 4.73 |
Std. Dev | 0.19 | 0.64 | 0.22 | 0.40 | 0.39 | 0.41 | 0.23 | 0.39 | 0.30 | 0.25 | |
No. | 10 | 10 | 9 | 10 | 10 | 10 | 8 | 5 | 7 | 9 |