Table 2.

Floor and ceiling effects of the PEmb-QoL dimension and summary scores

	Floor effect*	Ceiling effect †
	Percent
Frequency of complaints (Q 1)	25	0
Activities of daily living limitations (Q 4)	20	0
Work-related problems (Q 5)	60	18
Social limitations (Q 6)	66	2
Intensity of complaints (Q 7 and Q 8)	20	0
Emotional complaints (Q 9)	13	0
PEmb-QoL summary score	3	0

*Indicates the percentage of patients with the lowest possible score, i.e., with the best quality of life.

^†Indicates the percentage of patients with the highest possible score, i.e., with the lowest quality of life.