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Table 3 Multivariate analysis on the association between preoperative PLT and 30-day postoperative mortality

From: Association between preoperative platelet and 30-day postoperative mortality of adult patients undergoing craniotomy for brain tumors: data from the American College of Surgeons National Surgical Quality Improvement Program database

Exposure

Model 1 (OR, 95% CI,P)

Model 2 (OR, 95% CI,P)

Model 3 (OR, 95% CI,P)

PLT

0.998 (0.997, 0.999) 0.00154

0.999 (0.998, 1.000) 0.22630

0.999 (0.997, 1.000) 0.03982

PLT (quartile)

   

 Q1

   

 Q2

0.538 (0.416, 0.695) < 0.00001

0.622 (0.480, 0.807) 0.00034

0.664 (0.503, 0.877) 0.00395

 Q3

0.442 (0.337, 0.581) < 0.00001

0.535 (0.406, 0.706) < 0.00001

0.558 (0.416, 0.749) 0.00010

 Q4

0.650 (0.510, 0.827) 0.00047

0.851 (0.662, 1.094) 0.20793

0.718 (0.545, 0.945) 0.01820

P for trend

0.00006

0.05543

0.00509

  1. Model 1 (nonadjusted model): not adjust any covariate
  2. Model 2 (minimally-adjusted model): adjusted age ranges, sex, race
  3. Model 3 (fully-adjusted model): adjusted BMI, sex, age range, race, dialysis, diabetes, smoking status, bleeding disorders,severe COPD, hypertension, preoperative transfusions, steroid use for chronic condition, preoperative systemic sepsis, operation time, emergency case, serum Na, BUN, Cr, WBC count, and HCT count
  4. OR odds ratios; CI confidence; BMI body mass index; COPD chronic obstructive pulmonary disease
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BMC Neurology

ISSN: 1471-2377

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