Table 2—

Events and all-cause mortality during 10 years of follow-up in patients divided according to HRV during deep breathing

Abnormal: HRV ≤10 bpmBorderline: HRV 11–14 bpmNormal: HRV ≥15 bpmUnadjusted HR (95% CI)*P value unadjusted HRAdjusted HR (95% CI)*P value adjusted HR
All patients21665107
Fatal/nonfatal cardiovascular events85 (39)6 (9)6 (6)8.7 (3.8–20.0)<0.00014.9 (2.1–11.5)<0.0001
All-cause mortality62 (29)7 (11)6 (6)5.7 (2.5–13.1)<0.0001NS
Patients with nephropathy1512125
Fatal/nonfatal cardiovascular events72 (48)4 (19)2 (10)7.7 (1.9–31.5)0.0026.4 (1.5–26.3)0.010
All-cause mortality53 (35)3 (12)3 (14)3.3 (1.0–10.7)0.043NS
Patients with normoalbuminuria654482
Fatal/nonfatal cardiovascular events13 (20)2 (5)4 (5)4.4 (1.4–13.6)0.009NS
All-cause mortality9 (14)4 (9)3 (4)3.9 (1.0–14.3)0.043NS
  • Data are n or n (%) unless otherwise indicated.

  • *

    * Comparing patients with abnormal HRV to patients with a normal HRV within categories.