Table 3. Education status of parents and SRMNE.

		Age of spontaneous resolution					Kruskal-Wallis H Test
		n	Mean ± ss	Med	Min	Max	Mean Rank	H	p
Education status of mother	Primary school and less	122	10.97 ± 3.28	11.0	5.0	22.0	89.82	0.05	0.975
	High school	34	11.26 ± 4.43	11.0	6.0	30.0	89.69
	University	25	10.80 ± 3.07	10.0	5.0	17.0	91.61
	Total	181	11.00 ± 3.48	11.0	5.0	30.0
Education status of father	Primary school and less	110	10.91 ± 3.00	11.0	5.0	21.0	91.77
	High school	46	11.24 ± 4.61	10.0	6.0	30.0	88.23
	University	25	10.96 ± 3.13	11.0	5.0	18.0	92.70
	Total	181	11.00 ± 3.48	11.0	5.0	30.0		0.18	0.914