Research Article

Site of Nerve Division Affects Pain-Related Behavior and Spinal Cord Glial Proliferation after C7 Neurotomy in a Rat Stroke Model

Table 2

Changes in mechanical paw withdrawal threshold (mN) in the C7 neurotomy subgroups.

Day0 mm (n, 95% CI)2 mm (n, 95% CI)4 mm (n, 95% CI)Intact (n, 95% CI)H

025.37 (25.37–25.37) (30, 21.58–25.34)25.37 (25.37–25.37) (30, 21.56–25.16)25.37 (25.37–25.37) (30, 20.91–24.87)25.37 (25.37–25.37) (30, 22.25–25.19)0.450.929
11.90 ± 1.02 (30, 1.52–2.28)5.45 ± 2.10 (30, 4.67–6.23)8.69 (6.74–10.36) (30, 7.82–9.29)25.37 (25.37–25.37) (30, 23.25–25.51)106.08<0.001
31.52 (1.04–3.33) (24, 1.53–2.48)5.60 ± 2.03 (24.4.74–6.46)9.59 ± 2.31 (24, 8.62–10.57)25.37 (25.37–25.37) (24, 23.84–25.64)85.27<0.001
71.69 ± 1.03 (18, 1.18–2.20)5.79 ± 1.87 (18, 4.86–6.72)10.36 (8.69–15.45) (18, 10.01–13.32)25.37 (25.37–25.37) (18, 22.67–25.86)65.17<0.001#
141.87 ± 0.99 (12, 1.24–2.50)6.67 ± 2.28 (12, 5.22–8.12)9.70 ± 2.63 (12, 8.03–11.37)25.37 (25.37–25.37) (12, 21.73–26.10)41.97<0.001#
282.24 ± 0.95 (6, 1.24–3.24)5.68 ± 1.31 (6, 4.30–7.06)9.39 ± 1.50 (6, 7.82–10.96)25.37 (23.48–25.37) (6, 20.87–27.34)21.85<0.001#

Degree of freedom = 3; H value was calculated by the Kruskal–Wallis test. Pairwise post hoc comparisons showed a significant difference () between the subgroups. #Pairwise intergroup differences were significant () except for the following comparisons: 0 mm–2 mm, 2 mm–4 mm, and 4 mm–intact.