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Table 6 Correlation of intra-operative blood loss to operative time, age and pre-operative hemoglobin level

From: Predictors of intra-operative blood loss and blood transfusion in orthognathic surgery: a retrospective cohort study in 92 patients

Pearson correlation

Operative time

r

0.332

p-value

0.001*

N

92

Age

r

0.235

p-value

0.024*

N

92

Pre-operative hemoglobin

r

0.280

p-value

0.007*

N

92

  1. *Significant using Pearson's Correlation Coefficient at p < 0.05.
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Patient Safety in Surgery

ISSN: 1754-9493