Table 1.

Morphological parameters—diameter (D), height (H) and volume (V) of biconcave, crenate, spiculated and spherocytic shapes of RBCs from healthy subjects and NDDs patients. Mean values and SD.

RBC Shape	Subject	D (µm)	H (µm)	V (µm3)
biconcave	Healthy	8.02 ± 0.34	0.57 ± 0.14	18.01 ± 3.59
	PD	8.69 ± 0.50 *	0.58 ± 0.12	25.52 ± 7.27
	ALS	8.57 ± 0.48 *	0.66 ± 0.11	36.79 ± 13.27 *
	AD	8.06 ± 0.24	0.6 ± 0.013	27.35 ± 8.02 *
crenate	Healthy	7.75 ± 0.25	0.50 ± 0.05	13.60 ± 2.94
	PD	8.39 ± 0.93 *	0.51 ± 0.06	24.09 ± 9.97 *
	ALS	8.50 ± 0.37 **	0.54 ± 0.04	21.08 ± 4.20 **
	AD	8.00 ± 0.10	0.51 ± 0.05	15.15 ± 3.0
spiculated	Healthy	6.49 ± 0.27	0.55 ± 0.14	18.05 ± 4.53
	PD	6.67 ± 0.94	0.65 ± 0.10	24.80 ± 3.77
	ALS	6.47 ± 0.49	0.71 ± 0.10	23.37 ± 3.82
	AD	5.83 ± 0.48	0.54 ± 0.12	14.73 ± 4.38
spherocytic	Healthy	6.71 ± 0.33	0.46 ± 0.12	15.86 ± 2.60
	PD	7.30 ± 0.94	0.50 ± 0.08	19.33 ± 1.82
	ALS	7.07 ± 0.12	0.46 ± 0.05	18.22 ± 2.62
	AD	7.77 ± 0.09	0.40 ± 0.04	19.05 ± 1.32

p values < 0.05 are denoted by * and p < 0.01 by **.