Table 2.

Presurgical variables associated with tumor consistency.

Variable	Soft tumors (n = 29)	Fibrous tumors (n = 11)	P value	OR (95% CI)
Age (years)	51.1 ± 13.2	44.6 ± 12.7	0.172	1.0 (0.9–1.0)
Female sex	20/29	7/11	0.748	0.8 (0.2–3.4)
Diabetes	1/29	5/11	0.519	0.5 (0.0–4.6)
Hypertension	10/29	2/11	0.315	0.4 (0.1–2.3)
Heart disease	2/29	0/11	0.372	NC
Obesity	2/29	2/11	0.082	5.1 (0.7–35.8)
SAS	6/29	2/11	0.859	0.9 (0.1–5.0)
Pituitary apoplexy	0/29	1/11	0.100	NC
Visual involvement	2/29	3/11	0.082	0.2 (0.0–1.4)
Headache	3/29	6/11	0.003	0.1 (0.0–0.5)
Hypopituitarism	15/29	4/11	0.385	0.5 (0.1–2.2)
Presurgical GH	14.2 ± 15.7	6.8 ± 7.7	0.150	0.9 (0.8–1.0)
Presurgical IGF1	695.5 ± 301.2	624.5 ± 269.2	0.498	1.0 (1.0–1.0)
Very large PA	1/29	3/11	0.025	0.1 (0.0–1.0)
Tumor size (mm)	15.0 ± 7.7	21.9 ± 7.8	0.016	1.1 (1.0–1.2)
Knosp grade 3–4	8/29	7/11	0.035	0.2 (0.0–0.9)

OR has been calculated as a measurement of association with soft consistency. Bold values indicate statistical significance.