Table 2.

Mean QST values across all of the time points on the hand in the laser group (LG, n = 20) and placebo group (PG, n = 20)

Items	CDT/°C	WDT/°C	CPT/°C	HPT/°C	PPT/kPa
LG	28.4 ± 2.5	34.7 ± 2.4	21.7 ± 5.1	40.6 ± 3.2	247.9 ± 109.1
PG	27.7 ± 3.4	35.6 ± 2.1	20.5 ± 6.6	41.4 ± 2.8	247.7 ± 77.4
P (LG vs PG)	0.945	0.572	0.864	0.976	0.274

CDT cold detection threshold, WDT warmth detection threshold, CPT cold pain threshold, HPT heat pain threshold, PPT pressure pain threshold

P = relative changes between the two groups