Comparison of patients' clinical characteristics according to CSS and post-hoc results

Variable CSS P value
Yes (n = 22) No (n = 22)
VAS
T0 7 (5–8) 6.5 (5–8) 0.981
T1 2 (1.75–3.13) 2 (1–3) 0.347
T2 2 (1–3) 2 (1–3.6) 0.912
P valuea < 0.001 < 0.001
T0-T1 < 0.001 < 0.001
T0-T2 < 0.001 < 0.001
T1-T2 0.372 0.398
HAD-Anxiety
T0 11 (6.75–12.25) 4 (1–7) < 0.001
T1 8 (6.5–11.5) 3.5 (0.75–9) 0.008
T2 8 (6–10.25) 4 (1–9) 0.006
P valuea 0.209 0.351
HAD-Depression
T0 8 (4–12) 4 (0.75–7) 0.019
T1 8 (5–10.25) 4.5 (0–0.25) 0.004
T2 8 (5–9) 5 (1.5–8.5) 0.073
P valuea 0.592 0.422
QuickDASH
T0 59.09 (43.18–77.84) 43.73 (34.09–60.23) 0.044
T1 50 (36.36–61.93) 35.22 (12.5–55.66) 0.040
T2 38.63 (32.95–55.68) 40.9 (20.45–46.59) 0.263
P valuea 0.003 0.345
T0-T1 0.001
T0-T2 0.004
T1-T2 0.145
SF36-GH
T0 40 (25–51.25) 45 (35–70) 0.059
T1 42.5 (30–60) 55 (43.75–66.25) 0.037
T2 47.5 (33.75–55) 55 (45.5–70) 0.087
P valuea 0.118 0.844
CSI
T0 47.5 (16.5) 25 (12) < 0.001
T1 42 (19.5) 24 (17.5) < 0.001
T2 37 (22) 27 (16) 0.005
P valuea < 0.001 0.729
T0-T1 0.022
T0-T2 < 0.001
T1-T2 0.013

Values are presented as median (min-max).

CSS: central sensitization syndrome, VAS: visual analog scale, HAD: hospital anxiety depression, QuickDASH: Quick Disability of Arm, Shoulder and Hand, SF36-GH: Short Form 36 general health, CSI: central sensitization inventory.

aFriedman test, post-hoc paired comparisons: Wilcoxon rank-sum test.

Korean J Pain 2025;38:29~42 https://doi.org/10.3344/kjp.24290
© Korean J Pain