A Retrospective Observational Study on Disease Characteristics and Treatment Patterns of Giant Cell Tumor of the Bone in China

Table 1

(a) Geographic data. (b) Patient demographics (FAS and UMNAS).

(a)

Region	Frequency	Percent
Anhui province	24	3.59
Beijing	115	17.22
Fujian province	11	1.65
Gansu province	4	0.60
Guangdong province	6	0.90
Guangxi Zhuang Autonomous Region	3	0.45
Guizhou province	6	0.90
Hainan province	3	0.45
Hebei province	104	15.57
Henan province	55	8.23
Heilongjiang province	33	4.94
Hubei province	11	1.65
Hunan province	12	1.80
Jilin province	10	1.50
Jiangsu province	11	1.65
Jiangxi province	18	2.69
Liaoning province	34	5.09
Inner Mongolia Autonomous Region	67	10.03
Ningxia Hui Autonomous Region	3	0.45
Shandong province	47	7.04
Shanxi province	51	7.63
Shaanxi province	6	0.90
Shanghai	2	0.30
Sichuan province	4	0.60
Tianjin	7	1.05
Tibet Autonomous Region	1	0.15
Xinjiang Uygur Autonomous Region	5	0.75
Yunnan province	2	0.30
Zhejiang province	11	1.65
Chongqing	2	0.30

(b)

Item	FAS ()		UMNAS ()
	Primary diagnosis ()	Last disease recurrence ()	Primary diagnosis ()	Last disease recurrence ()
Age, median (years)	30.0	27.0	30.0	28.0
Age group, (%)
<18	25 (3.7)	8 (4.0)	7 (4.1)	1 (1.3)
18 to 40	495 (74.1)	160 (80.0)	127 (73.4)	64 (80.0)
>40	148 (22.2)	32 (16.0)	39 (22.5)	15 (18.8)
Sex, (%)
Male	347 (52.0)	108 (54.0)	91 (52.6)	44 (55.0)
Female	321 (48.1)	92 (46.0)	82 (47.4)	36 (45.0)
Place of residence, (%)
Beijing	115 (17.2)	19 (9.5)	22 (12.7)	4 (5.0)
Others	553 (82.8)	181 (90.5)	151 (87.3)	76 (95.0)
Hospital where GCTB was first diagnosed, (%)
JST	469 (70.2)	24 (12.0)	152 (87.9)	8 (10.0)
Non-JST	199 (29.8)	176 (88.0)	21 (12.1)	72 (90.0)

FAS = full analysis set; GCTB = giant cell tumor of the bone; JST = Ji Shui Tan; UMNAS = unmet medical needs analysis set.