Table 5.
Comparisons of HRV measurement in the group of patients stratified by IMT
| |
Normal IMT |
Thickening |
Plaque |
P-value |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| |
Mean |
St. Dev. |
Quartiles |
Mean |
St. Dev. |
Quartiles |
Mean |
St. Dev. |
Quartiles |
|
||||||
| 1st | 2nd | 3rd | 1st | 2nd | 3rd | 1st | 2nd | 3rd | ||||||||
| AVNN |
830.0 |
123.5 |
749.2 |
821.6 |
916.2 |
842.3 |
141.8 |
746.7 |
820.5 |
957.3 |
879.0 |
124.7 |
797.1 |
864.8 |
952.0 |
0.116 |
| SDNN |
140.1 |
48.8 |
105.3 |
132.3 |
171.3 |
121.7 |
34.3 |
94.2 |
115.3 |
147.2 |
116.9 |
33.3 |
93.3 |
111.6 |
136.9 |
0.049 |
| SDANN |
128.4 |
49.7 |
88.2 |
124.8 |
157.9 |
110.8 |
34.7 |
81.0 |
102.2 |
138.3 |
104.1 |
33.5 |
80.3 |
98.5 |
124.1 |
0.046 |
| SDNN IDX |
58.9 |
19.0 |
44.4 |
55.2 |
73.1 |
50.7 |
13.8 |
43.0 |
48.9 |
56.5 |
49.0 |
14.2 |
38.8 |
47.4 |
59.5 |
0.042 |
| RMSSD |
36.9 |
13.5 |
26.8 |
32.2 |
42.6 |
30.7 |
11.7 |
22.1 |
29.7 |
34.0 |
35.2 |
17.9 |
22.7 |
30.5 |
41.7 |
0.216 |
| pNN50 |
12.5 |
9.1 |
5.9 |
8.2 |
16.5 |
9.2 |
9.1 |
2.8 |
6.1 |
11.3 |
10.6 |
10.0 |
3.1 |
8.3 |
15.5 |
0.195 |
| TOTPWR |
24209 |
16727 |
12113 |
19664 |
31647 |
17583 |
10891 |
9798 |
14497 |
22534 |
16480 |
9863 |
9300 |
13860 |
21255 |
0.049 |
| ULF |
19550 |
13805 |
9436 |
16075 |
25947 |
14453 |
9137 |
7958 |
11822 |
18562 |
13420 |
8327 |
7216 |
10942 |
17851 |
0.092 |
| VLF |
2590 |
1944 |
1113 |
2117 |
3172 |
1746 |
1101 |
1091 |
1514 |
1862 |
1640 |
1027 |
960 |
1325 |
2251 |
0.052 |
| LF |
1255 |
1040 |
471 |
1006 |
1863 |
819 |
627 |
493 |
688 |
934 |
726 |
595 |
357 |
568 |
934 |
0.009 |
| HF |
813 |
685 |
305 |
542 |
1299 |
566 |
517 |
178 |
499 |
617 |
694 |
661 |
229 |
477 |
914 |
0.376 |
| LF/HF | 1.78 | 0.98 | 1.05 | 1.53 | 2.25 | 2.02 | 1.25 | 1.14 | 1.55 | 2.71 | 1.33 | 0.75 | 0.82 | 1.13 | 1.68 | 0.002 |
St. Dev. standard deviation.
The p-values refer to Kruskal-Wallis test.