|
Young |
Young |
Young |
Old |
Old |
Old |
ANOVA |
ANOVA |
ANOVA |
| Pulse duration |
0.05 ms |
0.20 ms |
1.00 ms |
0.05 ms |
0.20 ms |
1.00
ms |
Age |
Duration |
Age × Duration |
| MMAX (mV) |
4.8 (1.7) |
5.0 (1.9) |
5.2 (2.0) |
2.7
(1.4) |
2.7 (1.2) |
2.9 (1.5) |
F=12.2; p=0.002 |
F=1.5; p=0.23 |
F= 0.3; p=0.66 |
| IM50 (mA) |
65.8 (26.2) |
20.7 (9.3) |
9.0 (4.8) |
109.8
(54.2) |
38.1 (18.2) |
17.3(8.3) |
F=7.3; p=0.013 |
F=100.9; p<0.001 |
F=5.6;
p=0.027 |
| MHmax (%MMAX) |
32.8 (23.6) |
22.2
(15.3) |
10.8 (9.3) |
56.1 (23.4) |
51.5 (27.3) |
32.9 (14.3) |
F=26.0; p<0.001 |
F=8.3; p<0.001 |
F=0.2; p=0.78 |
| HMAX (%MMAX) |
27.7 (23.9) |
32.4
(16.8) |
32.6 (17.9) |
14.1 (9.7) |
16.8 (11.5) |
18.9 (10.4) |
F=5.4; p=0.029 |
F=3.9; p=0.045 |
F=0.20;
p=0.75 |
| IH50 (mA) |
51.8 (35.6) |
15.0 (6.3) |
5.5 (2.5) |
90.9
(35.6) |
30.3 (13.7) |
11.8 (5.3) |
F=11.7; p = 0.002 |
F=155.1; p<0.001 |
F=10.3;
p=0.004 |
| IH50/IM50 ratio (%) |
79.5 (6.1) |
73.8
(7.0) |
63.1 (6.8) |
85.4 (9.3) |
80.3 (6.7) |
70.3 (8.4) |
F=5.8; p=0.025 |
F=84.2; p<0.001 |
F=0.1;
p=0.84 |
| HM5% (%MMAX) |
8.4 (11.9) |
20.4
(13.9) |
28.7 (15.4) |
0.5 (0.6) |
1.7 (2.3) |
5.4 (5.2) |
F=27.3; p<0.001 |
F=15.8; p<0.001 |
F=6.2; p=0.005 |