Multivariate Analysis as a Method for Evaluating the Conceptual Perceptions of Korean Medicine Students regarding Phlegm Pattern

Table 2

Within-group distribution of conceptual perception of phlegm pattern.

Year of study	First year	Second year	Third year	Fourth year	Fifth year	𝑃 value
Mean PD𝑖𝑗	6.79^a	6.65^a	5.98^b	6.43^c	6.36^c	<0.001
SD of PD𝑖𝑗	1.57	2.34	1.18	1.43	1.26
Mean AD𝑖	4.72	4.62	4.18	4.49	4.44	0.093
SD of AD𝑖	1.24	1.19	0.92	1.12	1.00

SD: standard deviation.
𝑖,𝑗: index of a student.
^abcIndicators of the homogeneous subsets grouped by Dunnett’s 𝑇3 test.