Table 1.

Demographic and disease characteristics^*

Characteristic	United States (n = 524)	China (n = 249)	Japan (n = 256)	Russia (n = 226)	Korea (n = 178)
Female, %	55	54	42	62	40
Mean age (SD), y	55 (15.0)	51 (12.8)	62 (12.1)	61 (14.3)	51 (11.3)
Completed high school, %	52	60	69	69	49
Married, %	70	86	79	66	79
Employed (full time, part time, homemaker), %	36	39	41	33	46
Metastatic disease, %	30	47	50	56	56
Good ECOG PS (0–1), %	39	59	82	52	81
Undergoing chemotherapy, %	56	54	22	40	60
MDASI missing data points, %	0.99	0.04	0.17	2.40	0.56

^*N = 1433. ECOG PS = Eastern Cooperative Oncology Group performance status; MDASI = M. D. Anderson Symptom Inventory.