Table 1.

Number of animals examined following EEN and ESN

	Animal treatment group
	EEN				ESN
Types of examinations	1 month	2 months	3 months	4 months	2 months	3 months	4 months	6 months	Normal
Retrograde tracing of innervating neurons	–	6	6	6		6	6	6	4
Anterograde tracing of sensory fibers		6	6	6		6	6	6	4
Nerve fibers in the reconnected nerve: semithin sections	–	4	4	4		4	4	4	4
CMAP recording	4	4	4	4	4	4	4	4
Grooming Test	6	6	6	6	6	6	6	6	6

For CMAP recording, corresponding contralateral nerves of two each of the EEN-2, EEN-3 and EEN-4 months animals were pooled and served as control.