Comparison | Agreement | Correlation | Non-inferiority | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
FVC sample | N | Mean Lab (SD) | Mean Home (SD) | Mean diff (SD) | N Outside limits | % Within limits | r | R2 | p | 95%CI | Non-inferiority |
Baseline | 82 | 2.96 (0.88) | 2.65 (0.88) | -0.31 (0.46) | 8 | 90.2 | 0.8644 | 0.7472 | < 0.0001 | -0.39 ; - 0.22 | True within 400 ml |
Date-matched | 45 | 2.93 (0.93) | 2.70 (0.94) | -0.23 (0.44) | 2 | 95.7 | 0.8897 | 0.7916 | < 0.0001 | -0.34 ; - 0.12 | True within 400 ml |
3 months | 35 | 2.88 (0.96) | 2.77 (1.11) | -0.13 (0.61) | 2 | 94.3 | 0.8131 | 0.6611 | < 0.0001 | -0.33 ; 0.07 | True within 400 ml |
3 m Δ | 35 | -0.05 (0.19) | -0.01 (0.54) | 0.03 (0.58) | 3 | 91.4 | - 0.0884 | 0.0078 | 0.614 | -0.16 ; 0.23 | True within 400 ml |