TABLE 3

Mean (SE) of HRV indexes comparing different categories of outcome, stratified by diabetes status: the ARIC Study

HRV indexesDiabetic subjects
Nondiabetic subjects
Event-freeIncident CHDIncident MIFatal CHDNon-CHD deathEvent-freeIncident CHDIncident MIFatal CHDNon-CHD death
LnHF (Ln [ms2)]1.87 (0.045)1.26 (0.123)1.24 (0.163)1.02 (0.331)1.37 (0.141)2.16 (0.013)1.99 (0.062)2.16 (0.081)1.89 (0.194)1.85 (0.064)
LnLF [Ln (ms2)]2.33 (0.047)1.74 (0.137)1.73 (0.180)1.21 (0.298)1.65 (0.157)2.77 (0.014)2.65 (0.059)2.73 (0.076)2.21 (0.208)2.36 (0.067)
LF/HF ratio2.34 (0.071)2.47 (0.195)2.47 (0.253)1.79 (0.285)1.96 (0.156)2.75 (0.030)2.99 (0.170)2.63 (0.166)2.63 (0.480)2.56 (0.117)
HFnu38 (0.56)38 (1.44)38 (1.96)41 (2.45)40 (1.38)37 (0.18)36 (0.79)37 (1.10)41 (2.95)37 (0.83)
LFnu60 (0.71)60 (1.89)60 (2.34)55 (5.01)55 (2.04)64 (0.22)65 (1.01)63 (1.38)57 (4.06)61 (1.1)
2-min SDNN (ms)32 (0.574)28 (1.446)27 (1.752)25 (4.40)27 (1.372)38 (0.204)36 (0.770)36 (1.096)31 (2.04)35 (0.82)
MSSD (ms2)25 (0.635)21 (1.876)21 (2.016)23 (7.21)22 (1.53)30 (0.240)28 (0.923)30 (1.377)28 (2.81)28 (1.04)