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Table 2 The median measured vibration transmittance levels (× 10− 5) in the 20 Hz – 2000 Hz band (g2)

From: Vibration transmittance measures sternotomy stability – a preliminary study in human cadavers

 

Intact

Stable

Unstable

Median

(range)

Median

(range)

Median

(range)

2nd rib

416

(24–2094)

99

(13–2312)

38

(7–118)

3rd rib

346

(36–6756)

50

(12–7025)

32

(9–78)

4th rib

305

(65–1603)

81

(9–834)

29

(9–233)

Levels combined

357

(24–6756)

77

(9–7025)

32

(7–233)

  1. Stable fixation indicates the sternum is attached tightly with 6 steel wires and unstable fixation indicates a 10 mm distance between the sternal halves