Table 4.

Comparison of subscales and their items for both the original DSC-R and the K-DSC-R

Item no.	DSC-R subscale								K-DSC-R subscale
	PF	PC	NP	NS	C	O	HO	HE	PF	NP	NS	C	O	HO	HE
1	●								●
4	●								●
17	●								●
20	●								●
6		●							○
7		●												○
31		●
33		●												○
2			●
15			●							●
21			●							●
25			●							●
3				●							●
9				●							●
11				●						○
26				●						○
29				●
34				●						○
5					●
13					●							●
24					●							●
30					●							●
10						●							●
14						●							●
18						●
22						●							●
28						●							●
8							●							●
19							●							●
27							●							●
12								●							●
16								●							●
23								●							●
32								●							●

● Symbol showing subscales and their own items: items included in the same subscales in both the DSC-R and K-DSC-R.

○ Symbol showing subscales and their own items: items placed in different subscales in the K-DSC-R and the DSC-R.

PF, psychological fatigue factor; PC, psychological cognitive factor; NP, neuropathic pain factor; NS, sensory neuropathic factor; C, cardiovascular factor; O, ophthalmologic factor; HO, hypoglycemic factor; HE, hyperglycemic factor.