Test-retest reliability of nerve and muscle morphometric characteristics utilizing ultrasound imaging in individuals with unilateral sciatica and controls

Table 1 Demographic data (mean ± SD) of the participants in each group (sciatica and control)

Group	Age (year)	BMI (kg/m2)	Tenger scale^a	NPRS^b back	NPRS Leg	ODI^c Range
Sciatica (n = 15)	42 ± 14.1	24 ± 2.3	3 ± 0.1	4.8 ± 1.9	5.8 ± 1.6	35.7–40.1 ± 11.9–13.7
Control (n = 15)	41 ± 13.9	23.6 ± 2	3 ± 0.1	–	–	–

BMI Body mass index; ^aTegner Activity Scale, score 0–10 where 0 represents sick leave or disability pension, and 10 is participation in competitive sports. ^bNumeric Pain Rating Scale, on scale 0–10, a score 1–3 indicates mild pain, 4–6 indicates moderate pain, 7–10 indicates severe pain. ^cODI: Oswestry Disability Index, on a percentage scale, scores from 0 to 20% indicate a minimal disability, 21–40% indicate a moderate disability, 41–60% severe disability, 61% to 80% for crippled and 81% to 100%