Table 5.

Neurological comorbidities in the sickle sub-types.

Characteristics	Sickle cell sub-types		P -value
	HbSS† N = 170	HbSC and HbS/ß-thalassemia N = 133
Neuropathy and/or radiculopathy*	0	6 (4.5)	0.006
Multiple sclerosis	1 (0.6)	1 (0.8)	0.86
Movement disorders	0	2 (1.5)	0.19
Mental health disease	2 (1.2)	11 (8.3)	0.002
Anxiety and/or depression	0	8 (6)	0.001

^* This group did not include the patients with sickle cell-related limbs or back pain.

^†Also includes nine cases of HbS/ß^plus thalassemia genotype. Bold values stands for statistically significance.