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. 2021 May 22;22(10):2185–2190. doi: 10.1093/pm/pnab175

Table 5.

Mean change in ISS by average low back pain during the past week.

Declined 3 categories Declined 2 categories Declined 1 category Stayed the same Improved 1 category Improved 2 categories Improved 3 categories
−6b, c 6a 1a, b −2b, c −8c −16d −24e
n = 2 n = 10 n = 85 n = 273 n = 203 n = 51 n = 10

Select the number that best describes your average low back pain during the past week. 0 = No pain; 10 = Worst possible pain (recoded so that 10 = 5, 7–9 = 4, 4–6 = 3, 1–3 = 2, and 0 = 1; based on Sheehan Disability Scale and the Flushing Questionnaire) (6 weeks-baseline).

Note: F (6, 627) = 58.39, P < .0001. Cells that share a superscript do not differ significantly from one another.