Acupuncture for Anxiety in Lactating Mothers with Preterm Infants: A Randomized Controlled Trial

Table 4

Salivary cortisol levels before and after intervention (ug/dL).

Variables	Minimum	Maximum	Mean	Standard deviation	P value
Preintervention measures^1
AG (𝑛=14)	0,04	0,33	0,13	0,08
PG (𝑛=15)	0,02	0,31	0,13	0,08
Total (𝑛=29)	0,02	0,33	0,13	0,08
Postintervention measures^2
AG	0,02	0,49	0,14	0,15
PG	0,02	0,35	0,14	0,09
Total	0,02	0,49	0,14	0,12
Difference (pre- minus postintervention)^3
GA	−0,35	0,13	-0,03	0,14	0,480**
GP	−0,20	0,14	0,00*	0,09
Total	−0,35	0,14	-0,02	0,11

1Mean value of day 0 and day 1 measurements after subject’s hospital discharge.
²Mean value of day 0 and day 1 measurements of infant’s successful breastfeeding initiation.
³Preintervention measurements minus postintervention measurements.
*−0.004
**Student’s t-test.