Table 2. The Cronbach α for the scale when individual item indicated is removed.

Type of Parameter	Item	Cronbach's Alpha if Item Deleted
Skin and oedema signs	Degree of inflammation of skin	.822
	Number of raised and/or inflamed lesions	.824
	Peripheral oedema due to reaction	.814
Nerve symptom	Nerve pain and/or paraesthesia	.826
Nerve sign	Nerve tenderness (worst affected nerve only)	.825
Systemic sign	Fever (°C)	.820
Sensory function of nerve	Right trigeminal	.821
	Left trigeminal	.821
	Right ulnar	.799
	Left ulnar	.789
	Right median	.795
	Left median	.803
	Right posterior tibial	.797
	Left posterior tibial	.800
Motor function of nerve	Right facial	.817
	Left facial	.816
	Right ulnar	.810
	Left ulnar	.807
	Right median	.809
	Left median	.808
	Right radial	.821
	Left radial	.821
	Right lateral popliteal	.809
	Left lateral popliteal	.816

An increase in α indicates that removal of the item is improving agreement of the remaining scale items. (The overall α for the original 24 item scale was 0.819.)