Table 3.
CSI-BP severity-level scores of three subject subgroups, divided into five categories of severity (n=285)
| Subgroups | Subclinical, 0–29 (n=53) |
Mild, 30–39 (n=57) |
Moderate, 40–49 (n=56) |
Severe, 50–59 (n=56) |
Extreme, 50–59 (n=62) |
χ2 | P-value | Effect size |
|---|---|---|---|---|---|---|---|---|
| Low CS-symptom group (n=63)§ | 28 (52.8%) | 15 (26.3%) | 12 (21.4%) | 4 (7%) | 4 (6.5%) | 38.3 | 0.001 | 0.28 |
| Medium CS-symptom group (n=49)¥ | 16 (30.2%) | 10 (17.5%) | 12 (21.4%) | 4 (7%) | 7 (11.6%) | 0.31 | ||
| High CS-symptom group (n=173)π | 9 (17%) | 32 (56.1%) | 32 (57.1%) | 49 (86%) | 51 (82.3%) | 0.16 |
Notes:
§
Healthy control group;
¥
diagnosis of only one pain syndrome (OA/FM/MPS/CTTH);
π
two or more diagnosed pain syndromes, plus one or more self-reported CSS on CSI-BP part B. Size effect interpreted as: small, 0.10–0.29; moderate, 0.30–0.49; and large, 0.5 or higher.
Abbreviations: CSI-BP, Central Sensitization Inventory – Brazilian population; CS, central sensitization; OA, osteoarthritis; FM, fibromyalgia; MPS, myofascial pain syndrome; CTTH, chronic tension-type headache; CSS, central sensitivity syndrome.