Table 2 Criteria for stratification as recorded in RS1
Factor | Weight | Categories |
|---|---|---|
Current pain intensity (0–10 Numerical Rating Scale) | 2 | ≤ 6 |
>  6 | ||
CRPS severity score (1–16) [35] | 2 | ≤ 12 |
>  12 | ||
Primarily affected arm | 1 | Left |
Right | ||
Pre-CRPS dominant hand (writing) | 1 | Left |
Right | ||
Sex | 1 | Male |
Female | ||
Age | 1 | 18 - < 40 |
40 - < 61 | ||
61–80 | ||
Presence of CRPS in body parts other than the primary affected arm | 1 | Yes |
No | ||
Presence of other non-CRPS pain | 1 | Yes |
No | ||
CRPS duration | 1 | <  1 year |
1 - < 5 years | ||
5 - < 10 years | ||
≥ 10 years |