Correlation Matrix for the General Surgery Criteria Using Pilot Testing Data From 238 Patients
| Item no.* | 9 VAS† | Item no. | ||||||
|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | ||
| 1 | 0.02 | 1.00 | ||||||
| 2 | 0.41 | 0.25 | 1.00 | |||||
| 3 | 0.12 | 0.69 | 0.35 | 1.00 | ||||
| 4 | 0.25 | 0.62 | 0.42 | 0.68 | 1.00 | |||
| 5 | 0.25 | 0.49 | 0.42 | 0.58 | 0.79 | 1.00 | ||
| 6 | 0.20 | 0.13 | 0.14 | 0.14 | 0.28 | 0.27 | 1.00 | |
| 7 | 0.65 | −0.05 | 0.31 | 0.05 | 0.15 | 0.24 | 0.25 | 1.00 |
| 8 | 0.37 | −0.08 | 0.04 | −0.14 | −0.06 | −0.06 | 0.15 | 0.27 |
↵* Visual analogue urgency scale
Item description: 1 = usual intensity of pain, 2 = usual intensity of other forms of suffering, 3 = usual frequency of painful episodes/suffering, 4 = usual degree of impairment in role function, 5 = usual degree of impairment in social activities, 6 = history of major complications of condition, 7 = life-expectancy implications of condition without procedure, 8 = expected degree of improvement in life expectancy with surgery.