Table-4.

Overall mean scores for histological examination of the duodenum.

Parameter (μm)	Control group		Probiotic group		p-value	d
	M	SD	M	SD
Villi length	1332.2	436.9	1383.9	462.3	< 0.001	0.12
Villi width	191.2	65.1	195.9	67.3	0.034	0.10
Crypt depth	174.6	58.9	179.2	61.8	0.023	0.10
Muscle layer thickness	130.8	49.4	135.1	47.9	0.009	0.10
Villi length/crypt depth ratio	7.9	3.7	7.9	3.4	0.831	NA

M=Mean, SD=Standard deviation, d=Cohen’s d (effect size)