Skip to main content
. 2021 Jan 20;16(1):e0245689. doi: 10.1371/journal.pone.0245689

Table 6. Preliminary effect outcome measures at baseline and follow-up.

Outcomes measures Baseline mean (SD) n = 43 6-week follow-up mean (SD) n = 43 Mean of individual differences (T3-T2) (mean ± 95% CI)
BPIa Pain severity 4.6 (2.4) 3.1 (2.3) -1.53 [-1.95, -1.11] p<0.001
Pain interference 4.6 (2.6) 3.2 (2.7) -1.39 [-1.86, -0.91] p<0.001
CSIb Total score 38.7 (14.2) 35.0 (15.9) -3.72 [-6.31, -1.14] p = 0.006
Subclinical 24% 40% +16.2%
Low 27% 20% -7%
Moderate 21% 24% 3.8%
Severe 17% 9% -8.6%
Extreme 11% 7% -4.4%
PainDetect questionnaire Total score 13.8 (7.3) 12.0 (7.7) -1.76 [-3.55, 0.03] p = 0.054
Nociceptive 56.5% 54.5% 2.2%
Neuropathic 25.8% 18.2% -7%
Unsure 17.7% 25.0% 7.3%
SBTc Total score 3.0 (1.5) 2.0 (1.7) -0.91 [-1.3, -0.49] p<0.001
Low risk 33.3% 47.7% +14.4%
Medium risk 27.4% 29.5% +2.1%
High risk 38.7% 22.7% -16.0%
OMSPQ-SFd Total score 52.0 (16.1) 42.4 (18.9) -9.53 [-13.17, -5.90] p < 0.001
Below cut-off score (low risk) 50.0% 62.0% +12.0%
Above cut-off score (high risk) 50.0% 38.0% -12.0%
Sleep disturbances Nothing to report (‘no’ to both items) 19.4% 43.2% +23.8%
“Often or always” to item 1 of the CSI (“I feel tired and unrefreshed when I wake from sleeping”) 17.7% 11.4% -6.3%
Score ≥4 on item 13 of the BPI (“during the past 24 hours, pain has interfered with your sleep”) 22.6% 15.9% -6.7%
“Often or always” to item 1 of the CSI AND Score ≥4 on item 13 of the BPI 40.3% 29.5% -10.8%
Mood and/or depressive symptoms Nothing to report (‘no’ to both items) 41.9% 56.8% +14.9%
“Sometimes, often or always” to item 16 of the CSI (“I feel sad or depressed”) OR Score >5 on item 6 of the OMSPQ-SF (“how much have you been bothered by feeling depressed in the past week?”) 38.7% 29.5% -9.2%
“Sometimes, often or always” to item 16 of the CSI (“I feel sad or depressed”) AND Score >5 on item 6 of the OMSPQ-SF (“how much have you been bothered by feeling depressed in the past week?”) 19.4% 13.6% -5.8%

aBPI = brief pain inventory

bCSI = central sensitization index

cSBT = start back stool

dOMSPQ-SF = örebro musculoskeletal pain questionnaire