Official Journal of the Italian Society of Orthopaedics and Traumatology
Table 3 Mean visual analog scores (VAS) pretreatment and postblockade
From: Complex regional pain syndrome type I: efficacy of stellate ganglion blockade
Group: duration to blockade initiation | VAS score | ||
|---|---|---|---|
Before blockade | After blockade | P value | |
1 Mean duration 17.0 ± 6.3 (range 6–28 weeks) | 7.7 ± 1.1 (range 6–10) | 0.9 ± 0.7 (range 0–2) | 0.001 |
2 Mean duration 49.8 ± 17.6 (range 29–77 weeks) | 7.9 ± 1.1 (range 7–10) | 2.1 ± 1.3 (range 0–4) | 0.012 |
Overall Mean duration 28.9 ± 19.7 (range 6–77 weeks) | 7.8 ± 1.1 (range 6–10) | 1.3 ± 1.1 (range 0–4) | 0.000 |