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Table 3 Total heart rate variability power and low to high frequency ratio during preoperative mobilization (n =23) grouped by orthostatic competence 6 h after surgery

From: Decreased heart rate variability responses during early postoperative mobilization – an observational study

 

OT 6 h

OI 6 h

P-Value

Supine

 Total HRV power (ms2)

344 (203–585)

422 (201–855)

0.62

 LF/HF ratio

1.5 (1.0–2.3)

2.2 (1.4–3.3)

0.22

Sitting

 Total HRV power (ms2)

397 (246–640)

471 (232–957)

0.65

 LF/HF ratio

1.4 (0.9–2.2)

2.7 (1.5–4.9)

0.06

Standing

 Total HRV power (ms2)

258 (147–453)

326 (137–778)

0.60

 LF/HF ratio

1.7 (1.2–2.5)

2.8 (1.7–4.8)

0.09

  1. OT; Orthostatic tolerant, OI; Orthostatic intolerant, ms; milliseconds
  2. Data presented as geometric mean (95 % CI)
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BMC Anesthesiology

ISSN: 1471-2253

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