Table 2

Heart rate variability in adolescents with type 1 diabetes stratified by urine ACR tertiles

HRV parameterLower ACR tertilesUpper ACR tertileP value
HR (bpm)73 (12)76 (13)<0.01
SDNN (ms)76 (36)68 (30)0.02
RMSSD (ms)71 (49)63 (43)0.04
LF power1,839 (2,282)1,363 (1,237)<0.01
HF power2,439 (3,751)2,076 (3,229)0.27
LF-to-HF ratio1.3 (1.2)1.5 (1.3)0.14
TI17 (7)15 (6)0.04
  • Data are presented as mean (SD).

  • HR, heart rate; HRV, heart rate variability.