Table 2. Allocation of NFSC to pain intensity or other reasons.

Color coding	NFSC limit	Reason/suggestion
White	0.00 to 0.07 peaks/s	No pain
Light yellow	0.13 to 0.21 peaks/s	No pain or VAS 1–3
Yellow	0.27 peaks/s	Patient is active, can be pain VAS 4–5 or other stressors
Orange	0.33 peaks/s	Patient is possibly in pain, VAS 6–8, go and evaluate the situation
Red	0.40 to 0.70 peaks/s	The patient is probably in pain, VAS 8–10, go and find out how to help the patient