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*	OR	95% CI	P	Score
Age (yr)
≤30	−1.70	0.18	0.029–1.12	.067	−1
Relation to pregnancy
Yes	−3.71	0.03	0.002–0.42	.009	−4
Pituitary volume (cm3)
≥6	1.83	5.12	1.98–16.28	.003	2
Gd enhancement type
Medium or high	−1.32	0.59	0.07–0.65	.011	−1
Gd enhancement features
Heterogeneous	1.41	4.31	1.34–35.8	.041	1
Symmetry
Asymmetric	2.49	12.1	2.92–49.7	.001	3
Posterior pituitary bright spot
Lost	−2.42	0.09	0.015–0.51	.007	−2
Stalk size
Enlarged	−5.34	0.005	0.0004–0.06	<.001	−5
Mucosal thickening
Present	2.15	8.61	1.25–58.9	.028	2

Note:—OR indicates odds ratio; CI, confidence interval.

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