Table 8.
Uninjured |
SCI |
Uninjured vs SCI |
|||||||
---|---|---|---|---|---|---|---|---|---|
mean ± SD | test | p | mean ± SD | test | p | test | p | ||
5-HT7 receptor activation | Em, Δ from antagonist | 3.6 ± 3 | t(7) = 3.2 | 0.01* | 3.5 ± 4 | t(11) = 2.9 | 0.01* | t(18) = 0.02 | 0.9 |
Rheobase current (% of antagonist) | 87.0 ± 25 | t(7) = 1.4 | 0.1 | 77.8 ± 20 | t(12) = 3.9 | 0.001* | t(19) = 0.9 | 0.3 | |
Firing frequency at 1.5× rheobase (% of antagonist) | 119.2 ± 44 | W = 9 | 0.4 | 101.1 ± 39 | W = −5 | 0.9 | U = 24 | 0.3 | |
5-HT2A receptor activation | Em, Δ from antagonist | 0.6 ± 3 | W = −2 | 0.9 | 0.4 ± 2 | t(9) = 0.5 | 0.6 | U = 33 | 0.5 |
Rheobase current (% of antagonist) | 98.4 ± 29 | t(7) = 0.1 | 0.8 | 91.4 ± 26 | W = −14 | 0.2 | U = 33.5 | 0.5 | |
Firing frequency at 1.5× rheobase (% of antagonist) | 125.6 ± 57 | W = −14 | 0.4 | 91.0 ± 24 | t(9) = 1.1 | 0.2 | U = 16.5 | 0.3 | |
5-HT2B/2C receptor activation | Em, Δ from antagonist | −0.1 ± 1 | t(6) = 0.2 | 0.8 | 3.1 ± 3 | t(8) = 2.6 | 0.02* | t(14) = 2.3 | 0.03* |
Rheobase current (% of antagonist) | 92.1 ± 19 | t(6) = 1.0 | 0.3 | 73.2 ± 17 | t(8) = 4.1 | 0.003* | t(14) = 1.7 | 0.1 | |
Firing frequency at 1.5× rheobase (% of antagonist) | 99.3 ± 9 | W = −1 | 0.9 | 106.9 ± 22 | t(7) = 0.8 | 0.4 | U = 20 | 0.6 |
aUninjured and SCI, one-sample t test or Wilcoxon signed rank test (W); Uninjured versus SCI, unpaired t test or Mann–Whitney U test.
*Statistical significance: p < 0.05.