. 2018 Jul 19;11:1343–1354. doi: 10.2147/JPR.S160801

Table 5.

Classification of functional interference levels based on PPIQ scores

Functional interference classification	PPIQ cutoffs (scale range 5–50)	Corresponding scale ranges
Functional interference classification	PPIQ cutoffs (scale range 5–50)	PDI range (median, mean)	ODI range (median, mean)	MPI-Int range (median, mean)
Low	≤25	1–51	4.0–46.7	0.3–5.7
Low	≤25	19.0, 21.3	24.0, 24.6	2.6, 2.8
Moderate	26–33	7–49	16.0–60.0	0.8–5.6
Moderate	26–33	34.0, 32.6	35.5, 35.2	3.8, 3.8
High	≥34	16–67	16.0–80.0	2.7–6.0
High	≥34	48.0, 47.0	48.0, 50.0	4.8, 4.7

Abbreviations: MPI-Int, Multidimensional Pain Inventory-Interference; PDI, Pain Disability Index; PPIQ, Pictorial Pain Interference Questionnaire; ODI, Oswestry Disability Index.