Table 3.

Comparison of cross-sectional area of peripheral nerves at different locations between cases and controls

SN	Nerve/Location	Cases		Controls		Significance of difference
		Mean	SD	Mean	SD	‘t’	‘p’
	Median nerve	(n = 100)a		(n = 100)
1.	Proximal	7.58	1.98	6.68	1.45	3.668	<0.001
2.	Distal	9.11	2.70	7.36	1.41	5.751	<0.001
3.	ΔDelta	1.87	2.03	1.04	0.92	3.719	<0.001
	Ulnar nerve	(n = 100)		(n = 100)
1.	Proximal	5.83	1.56	4.74	0.99	5.887	<0.001
2.	Distal	7.11	2.83	4.90	1.24	7.161	<0.001
3.	ΔDelta	1.52	1.97	0.74	0.69	3.742	<0.001
	Common peroneal nerve	(n = 100)		(n = 100)
1.	Proximal	10.23	3.86	7.01	1.80	7.567	<0.001
2.	Distal	11.14	4.13	7.83	1.79	7.360	<0.001
3.	ΔDelta	1.65	1.45	1.12	0.84	3.155	0.002
	Tibial nerve	(n = 100)		(n = 100)
1.	Proximal	13.12	4.41	9.18	1.48	8.468	<0.001
2.	Distal	13.61	4.99	9.27	1.53	8.314	<0.001
3.	ΔDelta	1.95	2.21	0.81	0.77	4.872	<0.001
	Sural nerve	(n = 96)		(n = 100)
1.	Lower third leg	1.44	0.66	1.22	0.42	2.112	0.036

SD, standard deviation.

^an is no of nerves evaluated