A Comparison of Screening Tools for the Early Detection of Peripheral Neuropathy in Adults with and without Type 2 Diabetes
Table 2
(a) Sural NCS, signs, and symptoms
Variable
Total
Group
OOI
PD
T2D
Sural NCS
Normal
7
1
3
3
Abnormal
27
10
9
8
Signs
Tuning fork
Normal
14
3
6
5
Abnormal
20
7
7
6
Monofilaments
1 g
Normal
3
1
0
2
Abnormal
31
9
13
9
10 g
Normal
3
1
0
2
Abnormal
31
9
13
9
Symptoms
None reported
11
6
1
4
Reported
23
4
12
7
Autonomic
None reported
21
7
8
6
Reported
13
3
5
5
ADLS
None reported
26
8
10
8
Reported
8
2
3
3
NCS, sign & symptom combinations
AbNCS, signs & symptoms
17
3
9
5
AbNCS, signs, or symptoms
9
5
1
3
AbNCS, no signs, or symptoms
1
1
0
0
NNCS, signs & symptoms
7
1
3
3
(b) SNAP values
Min
Max
Mean (SD)
Std. error
SNAP-R (μV)
NNCS
7.300
25.000
14.022 ± 5.64
1.564
AbNCS
3.618
5.202
4.41 ± 1.740
0.379
SNAP-L (μV)
NNCS
11.050
17.138
14.096 ± 5.033
1.396
AbNCS
3.898
5.524
4.712 ± 1.786
0.389
Bilateral testing; abnormal findings on at least one limb. Self-reported on QOL-DN. AbNCS: abnormal nerve conduction study; NNCS: normal nerve conduction study. Part (a): AbNCS defined by NC-stat DPNCheck report values for SNAPs and SNCVs. Part (b): AbNCS defined by 6.0 μV or less SNAPs.
