Heart rate variability and target organ damage in hypertensive patients

Table 3 Comparisons of HRV measurement in patients stratified by eGFR

	Normal eGFR (group 1)					Mild decreased eGFR (group 2)					Moderate decreased eGFR (group 3)					P-values
	Mean	St. Dev.	Quartiles			Mean	St. Dev.	Quartiles			Mean	St. Dev.	Quartiles
			1^st	2^nd	3^rd			1^st	2^nd	3^rd			1^st	2^nd	3^rd
AVNN	859.7	109.4	784.1	848.9	916.8	867.8	136.4	774.9	853.5	954.4	884.4	119.0	793.6	875.4	963.4	0.525
SDNN	125.7	30.2	101.9	119.5	146.1	119.4	38.8	92.2	111.1	140.1	116.6	36.1	94.7	113.6	141.1	0.280
SDANN	113.4	32.5	90.1	108.6	137.0	106.6	38.7	78.0	99.4	129.1	105.2	36.1	81.2	104.0	132.4	0.308
SDNN IDX	51.9	11.8	43.2	51.4	58.9	51.2	16.5	40.7	47.4	61.1	45.4	13.7	36.2	44.3	58.3	0.168
RMSSD	32.6	12.5	24.4	30.1	38.1	35.7	18.9	22.6	30.7	42.3	35.6	14.3	24.4	33.5	42.1	0.602
pNN50	8.8	6.6	3.8	7.7	11.9	11.2	10.4	2.8	7.9	17.8	11.5	11.0	4.1	9.7	12.9	0.714
TOTPWR	18224	8902	11002	16124	23743	17498	12477	8919	13736	21744	17099	10273	9648	14338	24713	0.354
ULF	14919	8093	8797	12379	18709	14098	10139	7083	10675	18458	14311	8999	7867	11539	20217	0.368
VLF	1815	843	1184	1592	2384	1872	1417	961	1471	2416	1368	835	780	1254	1959	0.071
LF	861	522	481	711	1108	823	795	368	601	922	660	460	344	543	925	0.123
HF	629	502	293	471	743	705	715	205	496	815	760	602	251	527	1230	0.626
LF/HF	1.74	0.92	1.17	1.44	2.11	1.48	0.90	0.91	1.25	1.75	1.00	0.47	0.71	0.85	1.25	<0.001

ISSN: 1471-2261