Article Figures & Data
Tables
Patient demographics and baseline measures of patients enrolled in the INVEST study compared with those who were eligible for the study but refused
Lead Site, Enrolled (n = 27) Lead Site, Eligible, Refused (n = 70) P Value* Demographics Age, mean (SD) (years) 73.7 (9.2) 76.6 (9.2) 0.17 Women, No. (%) 20 (74) 55 (79) 0.64 Primary measures, mean (SD) RMDS score (0–23) 18.0 (4.2) 18.6 (3.6) 0.51 Pain numeric rating scale (0–10) At rest 3.4 (3.3) – With activity 8.5 (2.0) – Pain intensity (average in last 24 hours)† 7.6 (2.1) – Note:—–indicates not compared; RMDS, Roland-Morris Disability Scale.
* Age, proportion of women, and RMDS scores between INVEST subjects at the lead site and eligible/refused patients compared using 2-sample t tests and χ2 tests (where appropriate).
† INVEST study measure of pain.
