Table 9:
Use of Analgesic drugs on demand.
Subject
T0
T1
T2
F
Α
6
5
0
0
Β
1
0
0
0
Γ
1
1
0
0
Δ
1
1
0
0
Ε
1
0
0
0
Ζ
1
1
0
0
Η
1
0
0
0
Θ
1
1
0
0