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Table 5 PTF vs. LA pressure

From: Orthogonal P-wave morphology is affected by intra-atrial pressures

 

PTF ≤ 0.04 mm × s

PTF > 0.04 mm × s

Total

Normal LA pressure

36 (71%)

15 (29%)

51

Markedly elevated LA pressure

66 (58%)

48 (42%)

114

Total

102

63

165

  1. P = 0.121 (Pearson’s chi-squared test). LA left atrial, PTF P-wave terminal force in lead V1