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. 2017 Nov 16;17:130. doi: 10.1186/s12903-017-0421-2

Table 4.

Comparisons between modalities using z-tests with a significance level of 0.05

p values
Observer1-1st reading Observer1-2st reading Observer2-1st reading Observer2-2st reading
PSP-Bitewing 0.0180 0.2520 0.0367 0.3082
NILT 0.0292 0.6251 0.0388 0.3047