Table 5.
Comparisons between individual items of the PSEQ.
| Parameters | Score | P value between Q7 and each item (Tukey's test) | Correlation between EQ-5D-5L and each item (Pearson correlation) | |||
|---|---|---|---|---|---|---|
| Mean | Median | Standard deviation | Range | |||
| Q1 | 4.3529 | 5.0 | 1.5408 | 0–6 | P < 0.001 | r = 0.348, P=0.001 |
| Q2 | 4.4471 | 5.0 | 1.5237 | 0–6 | P < 0.001 | r = 0.383, P < 0.001 |
| Q3 | 4.7529 | 5.0 | 1.3085 | 0–6 | P < 0.001 | r = 0.228, P=0.036 |
| Q4 | 4.4235 | 5.0 | 1.4005 | 0–6 | P < 0.001 | r = 0.271, P=0.012 |
| Q5 | 4.2941 | 5.0 | 1.6462 | 0–6 | P < 0.001 | r = 0.437, P < 0.001 |
| Q6 | 4.5529 | 5.0 | 1.4268 | 1–6 | P < 0.001 | r = 0.379, P < 0.001 |
| Q7 | 3.1647 | 3.0 | 1.7379 | 0–6 | P=1 | r = 0.337, P=0.002 |
| Q8 | 4.0706 | 4.0 | 1.6315 | 0–6 | P=0.044 | r = 0.366, P=0.001 |
| Q9 | 4.4418 | 5.0 | 1.4662 | 0–6 | P < 0.001 | r = 0.404, P < 0.001 |
| Q10 | 4.3176 | 5.0 | 1.4817 | 0–6 | P=0.001 | r = 0.359, P=0.001 |
PSEQ: pain self-efficacy questionnaire; Q: question. EQ-5D-5L: the European Quality of Life questionnaire, five dimensions, five levels.