Table 1 Distribution of patient characteristics at baseline including demographics, pain intensity, functional state, previous spine surgery and electrode type, spine level of SCS implantation, stimulation parameters, and tolerance threshold values
N | Gender Age | Spine level | Activate contacts | Frequency Hz | Pulse width (μs) | Amplitude (μA) | CPSP diagnosis | BMI | BDI bs | BDI as | PSQI global bs | PSQI global as |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | W (75) | L4—left | 1−; 3+ | 20 | 300 | 900–1200 | CRPS | 34,4 | 18 | 7 | 14 | 12 |
2 | M (71) | L4—right | 1−; 2+ | 20 | 250 | 400–500 | CRPS | 28 | 10 | 6 | 2 | 4 |
3 | W (65) | L4—left | 1+; 3− | 20 | 400 | 500–600 | CRPS | 35,2 | 14 | 3 | 4 | 5 |
4 | W (72) | L4—right | 2+; 4− | 20 | 300 | 500–700 | CRPS | 24,1 | 6 | 5 | 5 | 5 |
5 | M (56) | L4—right | 3+; 4− | 20 | 200 | 1400–1600 | CRPS | 23,4 | 17 | 9 | 9 | 7 |
6 | W (50) | L4—left | 1−; 2+ | 20 | 200 | 1200–1500 | CRPS | 26,8 | 21 | 10 | 12 | 5 |
7 | M(58) | L4—left | 1−; 3+ | 20 | 300 | 600–750 | CRPS (negative trial) | 40,4 | 21 | 23 | 16 | 4 |
8 | M (63) | L4—left | 3+; 4− | 20 | 200 | 400–1000 | CRPS | 35,8 | 20 | 7 | 11 | 6 |
9 | W (50) | L4—left | – | – | – | – | Causalgia (implant failure) | 25,8 | 30 | 33 | 9 | 13 |
10 | W (79) | L4—right | 3+, 4− | 20 | 250 | 700–1400 | CRPS | 24,7 | 9 | 8 | 20 | 17 |
11 | W (53) | L4—right | 2+, 3− | 20 | 200 | 300–900 | CRPS | 28,2 | 13 | 11 | 11 | 12 |
12 | W (71) | L4—left | 1−, 2+ | 20 | 200 | 350–550 | CRPS | 25,2 | 21 | 12 | 18 | 15 |