No painful physical sensation. No alteration in activities. No negative emotional response.
Rating 2–4 Low intensity of physical sensation. Minimal affect on activities and minimal/low level of negative emotions.
Rating 5–6 Moderate intensity of physical sensation associated with increased body tension. Moderate restriction of activities and moderate intensity of negative emotions.
Rating 7–8 Significant pain sensation associated with difficulty moving. Decreased activities. Significant negative emotions which make it hard to engage in activities.
Rating 9–10 Severe pain sensation associated with inability to move. Able to participate in only minimal activities or bedridden. Severe depression, anxiety, or despair associated with significant impairment of thinking.