Table 2: Descriptive and agreement statistics for both tests
|
Test 1 |
Test 2 |
Difference |
SEM |
95%LoV |
CV,% |
ICC (95% CI) |
| SB-CO2, L/min/mmHg |
0.34±0.13 |
0.33±0.15 |
0.01± 0.008 |
0.04 |
-0.11-0.11 |
24 |
0.87 (0.78 - 0.93) |
| BHT, sec |
44±11 |
43±14 |
0.9±0.6 |
3.6 |
-10-10 |
13 |
0.93 (0.88 - 0.96) |
SB-CO2 -single-breath carbon dioxide test, BHT- breath-holding test, LoV –limits of random variation, SEM- standard error of measurement, CV – coefficient of variation, ICC - intraclass correlation coefficient.