Table 1.

Laboratory pain sensitivity and peripheral blood flow during each phase of the study

Pain	Controls (n =14)		SCD (n=14)
	Mean (°C)	SD	Mean (°C)	SD
Pre-hypnosis pain threshold	43.56	3.95	43.86	3.93
Pre-hypnosis pain tolerance	47.12	2.83	47.39	2.57
Pre-hypnosis pain intensity	31.68	22.44	38.64	26.27
Post-hypnosis pain threshold	45.9	3.81	44.45	3.71
Post-hypnosis pain tolerance	48.48	1.98	47.7	3
Post-hypnosis pain intensity	18.57	18.26	33.46	28.23
Blood flow	Controls (n =13)		SCD (n=11)
	Mean	SD	Mean	SD
Baseline**	0.82	0.07	0.76	0.05
Pre-hypnosis anticipation 1	0.81	0.08	0.76	0.05
Pre-hypnosis pain task 1	0.82	0.05	0.77	0.05
Pre-hypnosis anticipation 2	0.81	0.09	0.76	0.08
Pre-hypnosis pain task 2*	0.81	0.06	0.75	0.08
Hypnosis	0.8	0.05	0.76	0.06
Post-hypnosis anticipation 1*	0.79	0.06	0.82	0.05
Post-hypnosis pain task 1	0.79	0.05	0.79	0.07
Post-hypnosis anticipation 2	0.77	0.09	0.82	0.09
Post-hypnosis pain task 2	0.78	0.08	0.79	0.07

Note:

^*p<0.05;

^**p<0.01. Units for blood flow are normalized and thus arbitrary units.

Abbreviation: SCD, sickle-cell disease.