Table 4.

Comparison of michigan neuropathy screening instrument scores between the Non-DSPN and DSPN groups.

Variable	Total (n = 569)	Non-DSPN (n = 148)	DSPN (n = 421)	Statistic	P
MNSI-Q	2.00 (1.00–5.00)	0.00 (0.00–1.00)	4.00 (1.00–6.00)	Z = -13.802	<0.001
MNSI-PE	2.00 (1.00–4.00)	0.00 (0.00–0.00)	3.00 (2.00–4.00)	Z = -16.693	<0.001

Data are presented as median (interquartile range). DSPN, distal symmetric polyneuropathy; MNSI-Q, Michigan Neuropathy Screening Instrument Questionnaire; MNSI-PE, Michigan Neuropathy Screening Instrument Physical Examination.