Clinicopathological Profile of Pure Neuroendocrine Neoplasms of the Esophagus: A South Indian Center Experience

Table 4

Comparison of studies on esophageal NENs.

Study	Number of cases	Mean age (years)	Gender ratio	% of grade 3	Lower 1/3rd, GE Jn location	Stage III, IV proportion	Median OS (months)
Yun et al. [5]	21	56	3.2 : 1	100%	38%	61.9%	18.3
Lee et al. [7]	26	60	4 : 1	38.5%	76.9%	57.7%	27
Maru et al. [12]	40	60	7 : 1	100%	82.5%	45%	14
Ku et al. [15]	22	60	4.5 : 1	100%	86%	36%	19.8
Pantvaidya et al. [16]	18	62	2.6 : 1	100%	17%	61%	6
Our study; Govind Babu et al. (2015)	43	54.8	1.5 : 1	83.7%	81.4%	86%	12

Comparison made only for studies with more than 15 cases.