Validation of the Self-Assessment of Treatment Questionnaire among Patients with Postherpetic Neuralgia
Table 4
Descriptive statistics for PRO measures at screening and baseline (pooled dataset; )1.
N
Mean (SD)
Median
Range
NPRS pain now (screening)
698
4.7 (2.2)
5
0.0–10.0
NPRS average pain in last 24 hours2 (baseline)
695
5.8 (1.6)
6
1.6–9.9
BPI (screening)
Pain at its worst in the last 24 hours
698
6.8 (2.0)
7
0.0–10.0
Pain at its least in the last 24 hours
698
3.1 (2.1)
3
0.0–10.0
Pain on average in the last 24 hours
698
5.1 (1.7)
5
0.0–10.0
Pain right now
698
4.5 (2.3)
4
0.0–10.0
BPI pain interference scores (screening)
A. General activity
698
3.6 (2.9)
3
0.0–10.0
B. Mood
697
3.7 (2.8)
3
0.0–10.0
C. Walking ability
697
2.5 (2.9)
1
0.0–10.0
D. Normal work
697
3.6 (2.9)
3
0.0–10.0
E. Relation with other people
698
2.5 (2.6)
2
0.0–10.0
F. Sleep
698
4.1 (3.1)
4
0.0–10.0
G. Enjoyment of life
698
4.2 (2.9)
4
0.0–10.0
SF-MPQ (screening)
Present pain intensity
696
2.1 (0.9)
2
0.0–5.0
SF-36v2 (screening)
Physical functioning
698
59.5 (27.9)
60
0.0–100.0
Role-physical
698
55.6 (28.0)
56
0.0–100.0
Bodily pain
698
44.0 (18.9)
41
0.0–100.0
General health
698
67.4 (19.3)
67
5.0–100.0
Role-emotional
698
71.9 (27.3)
75
0.0–100.0
Vitality
698
52.0 (20.7)
56
0.0–100.0
Mental health
698
71.8 (18.7)
75
5.0–100.0
Social functioning
698
71.6 (26.2)
75
0.0–100.0
PGIC (Week 12)
697
0.9 (1.2)
1
−3.0–3.0
CGIC3 (Week 12)
349
1.0 (1.2)
1
−2.0–3.0
BPI: Brief Pain Inventory; CGIC: Clinician Global Impression of Change; NPRS: Numeric Pain Rating Scale; PGIC: Patient Global Impression of Change; SD: standard deviation. ooled dataset included data from two clinical trials, Studies C116 () and C117 (). verage NPRS pain rating for 7 days prior to visit. tudy C117 only.
