Table. 3.

Correlation of the procedure-related pain intensity and baseline variables

Variable Procedure-related
NRS
Comorbid
depression
Comorbid anxiety Current use of the strong opioids Average NRS pain score at baseline The worst NRS pain score at baseline HAM-A score at
baseline
Procedure-related NRS - 0.186 0.485** 0.322* 0.323* 0.263 0.104
Comorbid depression 0.186 - 0.424** 0.618** 0.517** 0.387* 0.049
Comorbid anxiety 0.485** 0.424** - 0.639** 0.607** 0.568** 0.200
Current use of strong opioids 0.322* 0.618** 0.639** - 0.603** 0.648** 0.152
Average NRS pain score at baseline 0.323* 0.517** 0.607** 0.603** - 0.785** 0.080
The worst NRS pain score at baseline 0.263 0.387* 0.568** 0.648** 0.785** - 0.222
HAM-A score at baseline 0.104 0.049 0.200 0.152 0.080 0.222 -

The values are the Spearman correlation coefficient (ρ).

NRS: numerical rating scale, HAM-A: Hamilton Anxiety Rating.

*P < 0.05. The correlation was measured using the Spearman correlation coefficient (ρ). **P < 0.01. The correlation was measured using the Spearman correlation coefficient (ρ).

Korean J Pain 2021;34:304~314 https://doi.org/10.3344/kjp.2021.34.3.304
© Korean J Pain