Table 2. The t-test results for all channels (1–52) comparing z-scores for oxygenated hemoglobin levels between patients with multiple chemical sensitivity (MCS) and controls.
| Test | MCS (n = 10) | Controls (n = 6) | p value | |
|---|---|---|---|---|
| Stimulus | D1 (1) | 0.44 (0.48) | 0.55 (0.59) | 0.693 |
| NO (2) | −0.01 (0.31) | −0.20 (0.57) | 0.468 | |
| E1 (3) | 0.27 (0.33) | −0.04 (0.62) | 0.208 | |
| D4 (4) | 0.23 (0.32) | −0.28 (0.23) | 0.004* | |
| NO (5) | 0.27 (0.45) | −0.23 (0.51) | 0.062 | |
| E4 (6) | 0.34 (0.36) | −0.27 (0.81) | 0.054 | |
| Recovery | D1 (1) | 0.56 (0.63) | 0.77 (0.60) | 0.524 |
| NO (2) | 0.23 (0.62) | 0.02 (0.50) | 0.482 | |
| E1 (3) | 1.00 (0.75) | 0.01 (0.56) | 0.014* | |
| D4 (4) | 0.79 (1.06) | 0.34 (1.14) | 0.431 | |
| NO (5) | 0.34 (0.62) | −0.30 (1.13) | 0.166 | |
| E4 (6) | 0.82 (0.48) | 0.18 (1.46) | 0.221 |
Values are expressed as means (± standard deviations).
* Significant at p < 0.05.
Abbreviations: D1, γ-undecalactone and concentration level 1; D4, γ-undecalactone and concentration level 4; E1, skatole and concentration level 1; E4, skatole and concentration level 4; and NO, non-odorant. Numbers in parentheses in column 1 indicate the order of the six repetitions (1–6).