Table 1.
Time point (h) | Young group (number of nose scratching/the total number) | Aged group (number of nose scratching/the total number) |
---|---|---|
0 | (0/10) | (0/10) |
1 | (5/10) | (5/10) |
2 | (10/10) | (10/10) |
6 | (9/10) | (10/10) |
9 | (7/10) | (8/10) |
12 | (6/10) | (6/8) |
24 | (1/10) | (5/7) |
48 | (0/10) | (0/6) |