Table: Multiple logistic regression model based on 9 covariates used to predict before surgery pituitary adenoma (coded as 1) or hypophysitis (coded as 0)

β*OR95% CIPScore
Age (yr)
    ≤30−1.700.180.029–1.12.067−1
Relation to pregnancy
    Yes−3.710.030.002–0.42.009−4
Pituitary volume (cm3)
    ≥61.835.121.98–16.28.0032
Gd enhancement type
    Medium or high−1.320.590.07–0.65.011−1
Gd enhancement features
    Heterogeneous1.414.311.34–35.8.0411
Symmetry
    Asymmetric2.4912.12.92–49.7.0013
Posterior pituitary bright spot
    Lost−2.420.090.015–0.51.007−2
Stalk size
    Enlarged−5.340.0050.0004–0.06<.001−5
Mucosal thickening
    Present2.158.611.25–58.9.0282
  • Note:—OR indicates odds ratio; CI, confidence interval.

  • * Regression coefficient. A signed score was assigned to each covariate proportional to its regression coefficient.