Brief Article
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. May 21, 2013; 19(19): 2950-2955
Published online May 21, 2013. doi: 10.3748/wjg.v19.i19.2950
Table 2 Comparison of main endoscopy items in three independent surveys
Endoscopy itemsShanghai survey (2001)Qinghai survey (2003)Present survey (2011)
Number of units138.037.0169.0
Average number of endoscopes/unit3.31.49.3
Possession rate
Gastroscope100.00%100.00%100%
Colonoscope70.30%-97.60%
Enteroscope4.30%0.00%10.60%
EUS7.20%0.00%22.50%
VCE-2.70%20.70%
X-ray machine5.70%-19.50%
Procedures
Polypectomy54.30%-76.30%
EVS/EVL40.20%-43.20%
ERCP38.40%-45.60%