Skip to main content

Table 5 Threshold Effect Analysis of HB and LOS using Piece-wise Linear Regression

From: Association between preoperative hemoglobin with length of hospital stay among non-cardiac and non-obstetric surgery patients: a secondary analysis of a retrospective cohort study

Inflection point of HB

β (95% CI)

p-value

 < 11.9

 − 2.00 (− 2.92, − 1.08)

 < 0.0001

 > 11.9

0.21 (− 0.67, 1.08)

0.641

  1. Effect: LOS, Cause: HB
  2. Adjusted: Gender, ASA classification, procedure length, Combined PASP and RVSP, mortality, intrathoracic, systemic hypertension, Venous thromboembolism, Asthma, Renal failure (serum creatinine > 1.5 mg/dl), and Heart Rate
  3. CI Confidence Interval, LOS Length of Stay, HB hemoglobin, ASA American Society of Anesthesiologists, PASP pulmonary artery systolic pressure, RVSP right ventricular systolic pressure
Back to article page

Journal of Cardiothoracic Surgery

ISSN: 1749-8090

Contact us