Table 3.

Comparison of mean diastasis rectus abdominis size within each group (n=41)

Group	Mean±SD*		Mean difference† (95% CI)	t-statistic	df	P-value‡
	Baseline	Postintervention
Intervention (n=21)	22.9±5.30	16.7±3.55	6.17 (3.7 to 8.7)	5.2	20	<0.001
Control (n=20)	20.3±4.82	18.7±5.34	1.66 (-1.3 to 4.6)	1.2	19	0.260

SD, standard deviation; CI, confidence interval; df, degrees of freedom.

^*Measured in mm as mean diastasis rectus abdominis at 2.5 cm above the umbilicus.

^†Mean difference between groups=4.51 (SD=1.85), P=0.20 (using independent t-test).

^‡By paired t-test.