Oxygenation difference in the orbitofrontal cortex | Model | CN | MCIc | AD | P trend |
---|---|---|---|---|---|
Olfactory stimulation | Mean (95% CI) | 5.94 (3.13 to 8.74) | −0.22 (−2.48 to 2.04) | −3.96 (−5.69 to −2.23) | |
Adjusted mean difference (model 1a) | 1.00 (reference) | 6.12 (2.12 to 10.13) | 9.93 (5.10 to 14.76) | <0.001 | |
Adjusted mean difference (model 2b) | 1.00 (reference) | 6.83 (3.15 to 10.51) | 9.92 (5.72 to 14.13) | <0.001 | |
None | Mean (95% CI) | 1.63 (−1.67 to 4.93) | 1.92 (−2.46 to 6.30) | 0.93 (−1.71 to 3.57) | |
Adjusted mean difference (model 1a) | 1.00 (reference) | −0.47 (−5.57 to 4.63) | 1.32 (−4.83 to 7.46) | 0.872 | |
Adjusted mean difference (model 2b) | 1.00 (reference) | −0.39 (−7.05 to 6.26) | 0.51 (−7.11 to 8.12) | 0.870 |