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Table 2 Comparison of pain intensity and functional ability (Hannover) in the Keele Start Back Tool (SBT) low and medium risk groups

From: Reliability and screening ability of the StarT Back screening tool in patients with low back pain in physiotherapy practice, a cohort study

N = 47 SBT classification
  Low risk (n = 28) Medium risk (n = 19) p-value*
Test
 Pain now, mean (SD) 3.0 (1.8) 4.2 (2.1) 0.05
 Pain last week, mean (SD) 4.6 (1.8) 6.6 (2.2) 0.002
 Functional ability
 (Hannover), mean (SD) 6.0 (3.8) 11.0 (3.6) <0.001
Retest
 Pain now, mean (SD) 3.4 (1.6) 4.2 (2.1) 0.16
 Pain last week, mean (SD) 4.6 (1.9) 6.6 (2.5) 0.003
Functional ability
 (Hannover), mean (SD) 5,9 (4.3) 10.0 (4.0) 0.001
  1. Hannover, Hannover functional ability questionnaire, SBT Start Back Tool, SD standard deviation*: independent t-test