Table 3 Between and within groups comparisons of pre- and post-injection pain relief characteristics and functional assessment
Before LMBB | 1 week after LMBB | 1 month after LMBB | ||
|---|---|---|---|---|
VAPS | US-group | 5.9 ± 2.0 | 4.1 ± 2.0** | 3.7 ± 2.2** |
FS-group | 6.9 ± 1.5 | 4.7 ± 2.6** | 4.3 ± 2.9** | |
US-group + FS-group | 6.4 ± 1.8 | 4.4 ± 2.3*** | 4.0 ± 2.5*** | |
US-group versus FS-group: p = 0.23 Time: p < 0.000001 Thermocoagulation YES x Thermocoagulation NO: p = 0.28 Group x Time interaction: p = 0.77 Thermocoagulation status x Time interaction: p = 0.046 Group x Thermocoagulation status x Time interaction: p = 0.98 | ||||
ODI (points) | US-group | 20.6 ± 8.2 | 15.8 ± 8.5** | 15.2 ± 8.4** |
FS-group | 20.1 ± 8.5 | 17.3 ± 9.3 | 15.4 ± 10.2** | |
US-group + FS-group | 20.3 ± 8.3 | 16.5 ± 8.8*** | 15.1 ± 9.2*** | |
US-group versus FS-group: p = 0.85 Time: p < 0.000001 Thermocoagulation YES x Thermocoagulation NO: p = 0.12 Group x Time interaction: p = 0.65 Thermocoagulation status x Time interaction: p = 0.54 Group x Thermocoagulation status x Time interaction: p = 0.69 | ||||
DASI (points) | US-group | 24.3 ± 12.1 | 27.6 ± 12.6 | 27.0 ± 11.0 |
FS-group | 27.7 ± 11.1 | 28.1 ± 11.4 | 31.2 ± 12.7 | |
US-group + FS-group | 25.9 ± 11.6 | 27.8 ± 11.9 | 29.0 ± 11.9** | |
US-group versus FS-group: p = 0.24 Time: p = 0.005 Thermocoagulation YES x Thermocoagulation NO: p = 0.92 Group x Time interaction: p = 0.13 Thermocoagulation status x Time interaction: p = 0.62 Group x Thermocoagulation status x Time interaction: p = 0.10 | ||||