Table 1. Personal, clinical, and para clinical characteristics of gastric cancer patients hospitalized in cancer institute of Iran within 2011–2012.

Age, mean (s.d.), years	60.11 (14.22)
Gender
Male	62 (76.54)
Female	19 (23.46)
Tumor site
Cardia	25 (30.86)
Fundus	3 (3.70)
Distal	27 (33.33)
Overlap	26 (32.10)
T stage
T 0–1	7 (8.64)
T 2	20 (24.69)
T 3	40 (49.36)
T 4	14 (17.28)
N stage
N 0–1	44 (54.32)
N 2	21 (25.93)
N 3	16 (19.75)
N 4	0
Metastasis
Yes	0
No	81 (100.00)
TNM stage
I	6 (7.41)
II	40 (49.38)
III	35 (43.21)
IV	0
Grade
Well-differentiated	10 (12.35)
Moderately differentiated	43 (53.09)
Poorly differentiated	28 (34.57)
Tumor size, mean (s.d.), cm	4.55 (1.89)
Neoadjuvant chemotherapy	54 (66.67)
Type of gastrectomy
Total	66 (81.48)
Subtotal	15 (18.52)
BMI, mean (s.d.), kg/m2	22.80 (3.91)
First symptom—diagnosis delay, mean (s.d.), month	7.10 (6.34)
Loss of appetite	34 (41.97)
Dysphagia	27 (33.33)
Cachexia
Yes	42 (51.85)
No	29 (35.80)
Undetermined	10 (12.35)
Weight loss, mean (s.d.), %
Cachectic patients	18.47 (9.26)
Non-cachectic patients	2.49 (1.05)
Cardiovascular problem
Yes	15 (18.52)
No	62 (76.54)
Undetermined	4 (4.94)
Pulmonary problem	5 (6.17)
Acute postoperative complication(s)
Yes	6 (7.41)
No	73 (90.12)
Undetermined	2 (2.47)
Hemoglobin, mean (s.d.), mg/dl	11.63 (1.95)
Anemia
Yes	59 (72.84)
No	20 (24.69)
Undetermined	2 (2.15)
Albumin, mean (s.d.), mg/dl	3.81 (0.47)
Hypoalbuminemia
Yes	24 (29.63)
No	52 (64.20)
Undetermined	5 (6.17)
Plasma Ghrelin, mean (s.d.), median (IQR), pg/ml
Total (N=81)
Preoperative	309.14 (276.88), 229.38 (123.81, 348.10)
Postoperative	148.32 (91.41), 123.22 (76.78, 170.53)
Active (N=81)
Preoperative	74.54 (64.29), 54.70 (30.94, 95.16)
Postoperative	50.43 (30.26), 41.72 (25.75, 63.78)
Survival, mean (s.d.), median (IQR), year	1.58 (0.99), 1.55 (0.76, 2.22)

BMI, body mass index; IQR, interquartile (25th–75th percentile) range.

Values are number (percentages) unless stated otherwise.