Table 1

Numerical Rating Scale (NRS:0,1,..., 10) for pain in the forty volunteer subjects at different times during a typical day.


NRS Now
NRS Average
NRS Best
NRS Worst

Mean ± Standard deviation
1.0 ± 1.3
1.1 ± 1.7
0.05 ± 0.2
3.5 ± 3.2

Normand et al. Chiropractic & Osteopathy 2007 15:15   doi:10.1186/1746-1340-15-15