Table 4.
Quality of life by chronic pain status
| No chronic back pain | Chronic back pain | p-value | |
|---|---|---|---|
| Mean scores for SF-36 subscales and composite scales | |||
| Physical functioning | 91.48 | 81.34 | <.0001 |
| Role limitation caused by physical health | 89.85 | 75.25 | <.0001 |
| Body pain | 79.99 | 55.44 | <.0001 |
| General health | 76.53 | 66.76 | <.0001 |
| Vitality (energy/fatigue) | 64.21 | 56.81 | <.0001 |
| Social functioning | 89.57 | 81.49 | <.0001 |
| Role limitation caused by emotional problems | 94.67 | 91.41 | <.0001 |
| Emotional well-being | 73.24 | 67.49 | <.0001 |
| Physical component score (PCS) | 49.43 | 44.64 | <.0001 |
| Mental component score (MCS) | 55.97 | 53.74 | <.0001 |
Note. Mean scores for SF-36 subscales and composite scales. Scores represent the level of functioning and range from 0 (poor) to 100 (excellent). The p value indicates the level of significance in the t test used to compare the two groups