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Table 1 Scores of Persian LSIQ, FRI, and NRS (n = 100)

From: Cultural adaptation and psychometric assessment of the Persian version of the lumbar spine instability questionnaire

Outcomes Mean(SD) Min–Max
Persian LSIQ 9.60 (3.27) 2.0–15.0
Persian FRI 13.80(5.86) 0.0–31.0
NRS (Median, IQR) 4 (3–5)
  1. LSIQ lumbar spine instability questionnaire, FRI functional rating index,
  2. NRS numerical rating scale, SD standard deviation, IQR interquartile range