Table 3. Pearson Chi-squared test.

Tree condition division		N	df	Pearson χ2	P
Median
	Global	2780	4	24.09	<0.0001
	Pairwise	578	1	17.13	<0.0001
Upper & lower quartiles
	Global	1397	4	32.39	<0.0001
	Pairwise	249	1	28.23	<0.0001

*Significant results are bolded.