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Table 2 Functional assessment in the physical and psychological domains in relation to impaired versus unimpaired DML of the median nerve for both hands

From: Median nerve conduction impairment in patients with diabetes and its impact on patients’ perception of health condition: a quantitative study

  Distal motor latency (mean ± SD ms) (DML)
  Left hand Right hand  
  Unimpaired Impaired P value Unimpaired Impaired P value
  N = 30 N = 41   N = 22 N = 49  
  Mean =3.4 ±0.2 ms Mean = 4.6 ±0.9 ms   Mean = 3.4 ± 0.3 ms Mean = 4.9 ± 1.2 ms  
AIS 31.7 ± 7.9 29.1 ± 8.6 ns 29.1 ± 8.7 30.6 ± 8.2 ns
CI 95% 28.8-34.7 26.3-31.8 25.2-32.9 28.3-33.1  
HADS-D 4.8 ± 4.0 5.6 ± 5.1 ns 5.3 ± 5.2 5.3 ± 4.4 ns
CI 95% 3.34-6.33 4.0-7.2 2.9-7.6 4.0-6.6  
HADS-A 5.6 ± 4.2 5.7 ± 5.3 ns 5.8 ± 4.8 5.6 ± 4.9 ns
CI 95% 4.07-7.19 4.1-7.4 3.7-7.9 4.2-7.1  
BI 99.2 ± 2.9 93.9 ± 10.6 0.005 97.3 ± 6.8 95.6 ± 9.3 ns
CI 95% 98.1-100.3 90.6-97.3 94.2-100.3 92.9-98.3  
SF-36v2       
PF 49.1 ± 9.4 42.9 ± 13.1 0.05 46.9 ± 10.9 44.9 ± 12.5 ns
CI 95% 45.7-52.7 38.8-47.1 42.0-51.8 41.4-48.5  
RP 44.3 ± 12.5 37.8 ± 13.1 0.03 41.1 ± 4.2 40.4 ± 12.8 ns
CI 95% 39.6 = 48.9 33.7-41.9 34.7-47.4 36.7-44.1  
BP 52.5 ± 12.5 46.6 ± 14.5 ns 51.3 ± 12.2 48.2 ± 14.6 ns
CI 95% 47.9 = 57.2 42.1-51.2 45.9-56.7 43.9-52.3  
GH 35.6 ± 12.4 35.3 ± 12.4 ns 37.2 ± 19.9 34.6 ± 11.6 ns
CI 95% 30.9-40.2 31.6-39.1 31.4-42.9 31.3-37.9  
VT 46.3 ± 9.1 45.7 ± 12.4 ns 46.5 ± 9.8 45.7 ± 11.94 ns
CI 95% 42.8-51.6 41.8-49.6 42.2-50.9 42.3-49.1  
SF 47.1 ± 11.8 40.5 ± 15.0 ns 42.7 ± 14.9 43.6 ± 13.8 ns
CI 95% 42.8-51.6 35.7-45.2 36.1-49.3 39.6-47.5  
RE 43.1 ± 13.9 39.6 ± 13.9 ns 42.3 ± 13.9 40.5 ± 14.0 ns
CI 95% 37.8-48.3 35.2-43.9   36.1-48.5 36.5-44.5  
MH 38.6 ± 13.9 39.8 ± 10.9 ns 38.8 ± 13.3 39.5 ± 11.1 ns
CI 95% 33.8-43.5   36.4-43.2 32.9-44.7 36.2-42.7  
SF-36v2 48.7 ± 9.5 42.1 ± 11.5 0.01 46.5 ± 10.4 44.1 ± 11.4 ns
PCS CI 95% 45.0-52.2 38.5-45.7   41.9-51.1 40.8-47.4  
SF-36v2 40.7 ± 12.8 40.6 ± 11.6 ns 40.5 ± 13.1 40.8 ± 11.7 ns
MCS CI 95% 35-9-45.5 37.0-44.4   34.6-46.3 37.4-44.2  
QLI       
HFSUB 20.2 ± 5.5 18.9 ± 4.7 ns 19.3 ± 5.9 19.5 ± 4.6 ns
CI 95% 18.2-22.3 17.5-20.4   16.7-22.0 18.2-20.8  
SOCSUB 22.5 ± 4.1 20.3 ± 3.7 0.01 21.5 ± 4.2 21.1 ± 3.9 ns
CI 95% 20.9-24.0 19.1-21.5   19.6-23.3 19.9-22.3  
PSPSUB 23.1 ± 4.9 21.6 ± 4.6 ns 22.7 ± 5.1 22.1 ± 4.6 ns
CI 95% 21.2-29.9 20.2-23.1   20.4-25.0 20.8-23.4  
FAMSUB 24.8 ± 4.6 24.5 ± 4.1 ns 24.8 ± 5.0 24.5 ± 3.9 ns
CI 95% 23.1-26.6 23.2-25.7   22.6-27.0 23.4-25.7  
QLI (Total) 21.9 ± 4.5 20.5 ± 3.8 ns 21.2 ± 4.8 21.1 ± 3.9 ns
CI 95% 20.2-23.6 19.3-21.7   19.1-23.3 19.9-22.2  
  1. Data are presented as means ± SD and CI-confidence interval; the Mann–Whitney U-test was used for group comparisons (impaired vs. unimpaired). P values are expressed if they are <0.05. (AIS) Acceptance of Illness Scale, (HADS) Hospital Anxiety and Depression Scale, (BI) Barthel Index, SF-36v2 = (PF) physical functioning, (SF) social functioning, (RP) physical role functioning, (RE) emotional role functioning, (BP) bodily pain, (GH) general health, (VT) vitality, (MH) mental health, (PCS) physical component summary, (MSC) mental component summary, QLI-Quality of Life Index for Diabetes Version III = HFSUB- health and functioning subscale, SOCSUB- social and economic subscale, PSPSUB- psychological and spiritual subscale, FAMSUB- family subscale, p values are obtained by analyses using Mann–Whitney rank sum test.