Table 2.

Correlations

Correlations	p
Volume of solution spread spatium parapharyngeum and retropharyngeum/pain relief	0.025*
Volume of solution spread/spread in spatium parapharyngeum and retropharyngeum	0.0088*
Volume of solution spread/change in NRS	0.0014*
Swelling of pharyngeal wall/post-procedural NRS	0.41
Swelling of pharyngeal wall/volume of solution spread	0.37
Pain reduction/number of GLOA	0.027*
Different approach/postprocedural NRS	0.33
Lateral approach/volume of solution spread	0.11
Patient satisfaction/low post-procedural NRS	0.086
Patient satisfaction/volume of solution spread	0.11
Quality of life/sleep quality	0.28
PSQI GLOA 1 vs. 5	0.625
EQ-5L-5D GLOA 1 vs. 5	0.375
ZUF8 GLOA 1 vs. 5	0.5
Mean NRS V1 vs. FU2	0.022*
Mean EQ-5L-5D V1 vs. FU2	0.088
Mean ZUF8 V1 vs. FU2	0.13
Mean PSQI V1 vs. FU2	0.027*

EQ-5L-5D European Quality of Life 5 Dimensions 5 Level Version, FU2 follow-up 2, GLOA ganglionic local opioid analgesia, NRS Numerical Rating Scale, PSQI Pittsburgh Sleep Quality Index, V1 visit 1, ZU8 Fragebogen zur Messung der Patientenzufriedenheit

*Correlation is significant at p-value < 0.05