Table 4 Chronification stages
Pain chronification (MPSS), total of patients n = 115 | Stage I, n = 40 (34.8%) | Stage II, n = 52 (45.2%) | Stage III, n = 23 (20.0%) |
|---|---|---|---|
Age (years) | 55.5 ± 15.7 | 58.6 ± 12.6 | 56.4 ± 13.4 |
Average pain intensity in the last 4 weeks (NRS)1 | 2.0 (1, 3), n = 39 | 4.0 (2, 5), n = 50 | 5.0 (4, 7), n = 23 |
Most frequent localizations for main pain | |||
 Back pain overall | 9/40 (22.5%) | 12/52 (23.1%) | 9/23 (39.1%) |
 Lumbar spine | 4/40 (10.0%) | 7/52 (13.5%) | 8/23 (34.8%) |
 Hand | 20/40 (50.0%) | 21/52 (40.4%) | 9/23 (39.1%) |
Most frequent localizations for overall pain | |||
 Back | 18/40 (45.0%) | 31/52 (59.6%) | 20/23 (87.0%) |
 Lumbar spine | 10/40 (25.0%) | 20/52 (38.5%) | 14/23 (60.9%) |
 Hand | 27/40 (67.5%) | 45/52 (86.5%) | 21/23 (91.3%) |
 Joint of the lower extremity | 12/40 (30.0%) | 35/52 (67.3%) | 18/23 (78.3%) |
 Foot | 9/40 (22.5%) | 22/52 (42.3%) | 9/23 (39.1%) |