Table 1.

Patient baseline characteristics.

Variable	Category	n = 140
Mean age, years (SD)		46.5 (14.5)
Sex	Male	68 (48.6%)
	Female	72 (51.4%)
Karnofsky Performance Status	100	46 (32.9%)
	90	67 (47.9%)
	80	21 (15.0%)
	70	2 (1.4%)
	60	4 (2.9%)
Pituitary Apoplexy prior to radiation	Yes	8 (5.7%)
	No	132 (94.3%)
Secretory Status	secretory	46 (32.9%)
	non-secretory	94 (67.1%)
Mean number of surgeries (SD)		1.4 (0.7)
Surgical Approach	None	5
	Transsphenoidal	128 (94.8%)
	Craniotomy or Other	7 (5.2%)
Knosp Grade	Unavailable	7
	0	36 (27.1%)
	1	36 (27.1%)
	2	28 (21.1%)
	3	10 (7.5%)
	4	23 (17.3%)
Extent of Surgery	Gross Total Resection	25 (17.9%)
	Subtotal Resection	109 (77.9%)
	Biopsy or None	6 (4.3%)
MIB-1	Unavailable	91
	<3%	31 (63.3%)
	≥ 3%	18 (36.7%)
GTV	Resection Bed Only	6
	< 4 cc	78 (58.2%)
	≥ 4 cc	56 (41.8%)
Median PTV volume (range)		14.3 (0.27- 247.60)
Type of Radiation	Fractionated	105 (75.0%)
	SRS (1-5 Fractions)	35 (25.0%)

GTV is gross tumor volume. SRS is stereotactic radiosurgery. PTV is planning target volume.