Table 3.

Intergroup comparison of cortisol levels before and after light release intervention. Untreated Group (UG), Treated Group (TG). Data are expressed as median and interquartile range (P25% – P75%). Intergroup comparison was performed using the Mann-Whitney test.

	Pre-intervention			Post-intervention
Parameter	UG	TG	p-value	UG	TG	p-value
Salivary cortisol (pg/ml)	1.40 (1.20 to 1.76)	1.34 (1.11 to 1.71)	0.448	0.61 (0.54 to 0.65)	0.49 (0.42 to 0.59)	0.014*

^*p ≤ 0.05.