Table 5.
NPS and NPS subscale change from baseline to 12 months.
| Variable | Baseline |
12 months |
Change |
% change | SRMa | ESb | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N | Mean (95% CI) | SD | N | Mean (95% CI) | SD | N | Mean (95% CI) | SD | ||||
| Total NPS-10 score | 263 | 42.7 (40.8–44.7) | 15.9 | 216 | 12.4 (10.9–13.8) | 10.9 | 213 | 29.1 (26.9–31.3) | 16.40 | 68.03 | 1.77 | 1.83 |
| NPS-8 score | 263 | 37.87 (35.9–39.8) | 16.13 | 216 | 11.4 (10.0–12.8) | 10.2 | 213 | 25.2 (23.0–27.4) | 16.28 | 66.68 | 1.55 | 1.57 |
| Factor 1 subscalec | 249 | 61.0 (58.7–63.3) | 18.5 | 217 | 15.7 (13.8–17.7) | 14.7 | 216 | 42.9 (40.1–45.7) | 21.1 | 70.32 | 2.03 | 2.31 |
| Factor 2 subscaled | 249 | 21.5 (19.3–23.6) | 17.4 | 217 | 8.66 (7.5–9.8) | 8.38 | 215 | 11.3 (9.2–13.5) | 16.09 | 57.20 | 0.70 | 0.71 |
a
SRM = Standardized response mean (mean change/SD of change).
b
ES = Effect size (mean change/SD of Time 1 scores).
c
The Factor 1 subscale consists of the items intense, sharp, dull, unpleasant, and deep.
d
The Factor 2 subscale consists of the items cold, sensitive, itchy, and surface.