Table 1.

Patient Characteristics and Treatments

Age at Time of PCI
Median	66 years (42 – 84 years)
Gender
Female	29 (76%)
Male	9 (24%)
Race*
Caucasian	32 (84%)
African-American	4 (11%)
Asian	1 (3%)
Other	1 (3%)
Thoracic Radiation Therapy
Daily	4 (11%)
BID	34 (89%)
Median Daily Dose	63 Gy (54 – 72 Gy)
Median BID Dose	45 Gy (43.5 – 45 Gy)
Concurrent	38 (100%)
Number of Chemotherapy Cycles
2 cycles	2 (5%)
4 cycles	34 (89%)
5 cycles	1 (3%)
6 cycles	1 (3%)
Time Between TCRT Completion and PCI
Median	80 days (36 – 378 days)
PCI Dose/Dose per Fraction*
24 Gy/1.5 Gy BID	2 (5%)
25 Gy/2.5 Gy BID	17 (45%)
30 Gy/2 Gy	9 (24%)
31.5 Gy/1.5 Gy BID	1 (3%)
35 Gy/2.5 Gy	3 (8%)
36 Gy/2 Gy	6 (16%)

Abbreviations: PCI = prophylactic cranial irradiation, TCRT = thoracic chemoradiation therapy, BID = twice daily.

^*Does not sum to 100% due to rounding of percentages to whole numbers.