Table 4.

Comparison of the mean rank of the 11‐item CFSS‐DS according to dental caries experience between Estonian and Vietnamese schoolchildren (N = 900)

Dental caries experience	Number of cases	Mean rank		p a
		Estonia	Vietnam
dt/DT > 0	419	169.2	225.6	<0.001*
mt/MT > 0	12	5.8	7.9	0.368
ft/FT > 0	307	139.2	180.4	<0.001*
dmft/DMFT > 0	523	218.0	289.9	<0.001*

^aMann–Witney U test.

^* Significant.