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Table 3 A comparison of 4 Polish version of the Central Sensitization Inventory (CSI-Pol) factor scores in the patient (n = 151) and healthy control (n = 30) samples

From: Psychometric validation of the Polish version of the Central Sensitization Inventory in subjects with chronic spinal pain

  Patients (mean +/− SD) Controls (mean +/− SD) F Df P
General disability and physical symptoms 18.2 +/− 7.8
Range: 0–36.0
Median: 19.0 (IQR 12.0)
11.3 +/−4.0
Range 4.0–21.0
Median: 5.0 (IQR 6.0)
a22.6 181 < 0.00
Emotional distress 7.5 +/− 5.1
Range: 0.0–21.0
Median: 7.0 (IQR 8.0)
6.1 +/− 3.3
Range 1.0–13.0
Median 5.0 (IQR 6.0)
a2.18 181 < 0.14
Headache, jaw symptoms 4.9 +/− 3.8
Range 0–18.0
Median 4.0 (IQR 5.0)
2.8 +/− 2.4
Range 0–9.0
Median 2.0 (IQR 3.0)
bχ2 9.5 181 < 0.00
Urological symptoms 4.1 +/− 2.6
Range: 0–10.0
Median 4.0 (IQR 4.0)
1.9 +/− 1.9
Range 0–7.0
Median 1.0 (IQR 3.0)
bχ2 12.9 181 < 0.00
  1. aThe analysis of variance (ANOVA) was applied with post-hoc Tukey analysis. bThe Kruskal-Wallis test was applied, and the chi2 for the Kruskal-Wallis test is reported here because the assumption of normality of distribution and homogeneity of variances was not met for this factor