Table 4.

Distribution of pain-level scores (PI)

	Observational period		Intervention period
PI-assessments	Count	%	Count	%
No pain	288	56.8	420	82.7
Mild pain	171	33.7	68	13.4
Moderate pain	44	8.7	12	2.4
Severe pain	2	0.4	5	1.0
Very severe pain	1	0.2	2	0.4
Worst possible pain	0	0.0	1	0.2
	507	100.0	508	100.0

PI, pain intensity