Table 3.
Tissue type | P-values b | |||||
---|---|---|---|---|---|---|
Control | Exposure | Pain | E vs. C | P vs. C | P vs. E | |
T cell population | n=21 | n=20 | n=17 | |||
CD4+ Thelper | 3.81 ± 5.30 | 52.75 ± 36.69 | 58.47 ± 56.02 | <0.001 | <0.001 | 0.722 |
foxp3+ Treg | 3.17 ± 3.49 | 21.87 ± 17.18 | 14.62 ± 9.18 | <0.001 | <0.001 | 0.081 |
CD8+ cytotoxic | 18.84 ± 27.83 | 37.38 ± 24.75 | 23.33 ± 15.04 | 0.034 | 0.520 | 0.032 |
Growth factors | n=11 | n=15 | n=10 | |||
TGF-β (μg/mg) | 2.18 ± 1.57 | 4.15 ± 1.89 | 4.67 ± 2.06 | 0.008 | 0.004 | 0.540 |
CTGF (μg/mg) | 1.88 ± 1.16 | 6.51 ± 3.63 | 4.14 ± 2.93 | <0.001 | 0.008 | 0.060 |
Collagen | n=12 | n=16 | n=11 | |||
thin/thick fibers | - | 3.14 ± 1.09d | 1.72 ± 0.91d | - | - | 0.005 c |
collagen I a | 0.91 ± 0.41 | 1.15 ± 0.48 | 1.33 ± 0.64 | 0.120 | 0.057 | 0.392 |
collagen III a | 0.27 ± 0.18 | 0.28 ± 0.17 | 0.39 ± 0.32 | 0.920 | 0.256 | 0.251 |
III/I ratio a | 0.19 ± 0.06 | 0.15 ± 0.06 | 0.18 ± 0.11 | 0.081 | 0.818 | 0.303 |
Values represent mean ± standard deviation
values normalized to internal controls
P-values from mixed effects linear regression
P-value from Student’s t-test
n=10; E: exposure; C: control; P: pain.