ATS profiles 1–26 with their “true” PEF and the error for the mean of five PEF readings (recorded minus the “true” value from the input profile) in l/min with the error as % of true in parentheses
| ATS no. | True PEF (l/min) | Error limit (l/min) | TZ error l/min (%) | MW error l/min (%) | MS error l/min (%) | V error l/min (%) | PT error l/min (%) |
|---|---|---|---|---|---|---|---|
| TZ=Truzone; MW=mini-Wright; MS=MultiSpiro; V=Vitalograph; PT=pneumotachograph. | |||||||
| Details of the input and achieved rise times and dwell times for these profile are available in table E2 on the Thorax website (www.thoraxjnl.com/supplemental). | |||||||
| 1 | 446 | 54 | −16 (−3.6) | 0 (0.1) | 5 (1.1) | −29 (−6) | 9 (1.9) |
| 2 | 651 | 78 | −71 (−10.9) | −16 (−2.4) | 41 (6.3) | −76 (−12) | 22 (3.3) |
| 3 | 287 | 34 | −31 (−10.8) | −19 (−6.4) | 3 (1.0) | −17 (−6) | 10 (3.3) |
| 4 | 264 | 32 | −13 (−4.9) | −7 (−2.6) | −4 (−1.5) | −1 (0) | 5 (1.8) |
| 5 | 217 | 26 | −4 (−1.8) | −2 (−0.7) | −7 (−3.2) | −3 (−1) | 5 (2.2) |
| 6 | 185 | 25 | 14 (7.6) | −23 (−12.6) | 6 (3.2) | −3 (−2) | 5 (2.8) |
| 7 | 150 | 25 | 1 (0.7) | −13 (−8.8) | 1 (0.7) | −15 (−10) | 5 (3.6) |
| 8 | 139 | 25 | 12 (8.6) | −15 (−11.1) | 4 (2.9) | −6 (−4) | 5 (3.5) |
| 9 | 315 | 38 | −25 (−7.9) | −15 (−4.6) | 1 (0.3) | −16 (−5) | 7 (2.2) |
| 10 | 283 | 34 | 1 (0.4) | 2 (0.8) | 3 (1.1) | −3 (−1) | 3 (0.9) |
| 11 | 412 | 49 | −17 (−4.1) | −9 (−2.1) | 5 (1.2) | −22 (−5) | 2 (0.6) |
| 12 | 641 | 77 | 15 (2.3) | 35 (5.5) | 67 (10.5) | −54 (−8) | 12 (1.8) |
| 13 | 288 | 35 | −1 (−0.3) | 0 (0.1) | 2 (0.7) | −2 (−1) | 3 (0.9) |
| 14 | 229 | 27 | 1 (0.4) | −2 (−1.0) | −4 (−1.7) | 1 (0) | 1 (0.6) |
| 15 | 477 | 57 | 3 (0.6) | 9 (1.9) | 24 (5.0) | −12 (−3) | 5 (1.1) |
| 16 | 315 | 38 | −13 (−4.1) | −5 (−1.7) | 1 (0.3) | −6 (−2) | 1 (0.3) |
| 17 | 350 | 42 | 0 (0.0) | 2 (0.5) | 8 (2.3) | −2 (0) | 5 (1.4) |
| 18 | 515 | 62 | −4 (−0.8) | 10 (1.9) | 30 (5.8) | −24 (−5) | 5 (0.9) |
| 19 | 417 | 50 | −19 (−4.6) | −8 (−1.8) | 4 (1.0) | −17 (−4) | 3 (0.8) |
| 20 | 445 | 53 | −3 (−0.7) | 10 (2.3) | 15 (3.4) | −11 (−2) | 5 (1.2) |
| 21 | 238 | 29 | −10 (−4.2) | −7 (−2.8) | −3 (−1.3) | −6 (−3) | 4 (1.5) |
| 22 | 202 | 24 | −4 (−2.0) | −1 (−0.5) | −3 (−1.5) | −3 (−1) | 3 (1.6) |
| 23 | 487 | 58 | −9 (−1.8) | 8 (1.7) | 13 (2.7) | −18 (−4) | 6 (1.3) |
| 24 | 249 | 30 | −2 (−0.8) | −9 (−3.5) | −9 (−3.6) | −4 (−2) | 4 (1.4) |
| 25 | 851 | 102 | − | 35 (4.1) | − | −110 (−13) | 42 (5.0) |
| 26 | 695 | 83 | −81 (−11.7) | −25 (−3.6) | 41 (5.9) | −78 (−11) | 28 (4.0) |