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Table 4 The results of the standard linear and piecewise linear regression models

From: Association between preoperative serum sodium and postoperative 30-day mortality in adult patients with tumor craniotomy

 

Postoperative 30-day mortality (OR, 95% CI, P value)

Fitting model by standard linear regression

0.967 (0.941, 0.994) 0.0159

Fitting model by two-piecewise linear regression

 

Infection point of Na

140

≤ 140

0.929 (0.898, 0.961) < 0.0001

> 140

1.088 (1.019, 1.162) 0.0118

P value for the log likelihood ratio test

< 0.001

  1. The model adjusted for sex, age range, diabetes, serum WBC, HCT, PLT, BUN and Cr, severe COPD, CHF, hypertension, renal failure, dialysis, steroid use, disseminated cancer, and preoperative systemic sepsis. OR, odds ratio; CI: confidence, Ref: reference
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BMC Neurology

ISSN: 1471-2377

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