Table 1. Results of the individual comparison of the normalized area fluctuation for grouped axons of given diameter intervals (Welch t-test).

Compared classes:	Significance at:
A–B	not
A–C	p 0.0001
A–D	p 0.0001
A–E	p 0.0001
B–C	p 0.0001
B–D	p 0.0117
B–E	p 0.0001
C–D	p 0.0001
C–E	p 0.0001
D–E	p 0.0001

The diameter intervals from A to E are shown in Fig. 5.