Retrospective Cohort Study
Copyright ©The Author(s) 2017.
World J Gastrointest Oncol. Mar 15, 2017; 9(3): 121-128
Published online Mar 15, 2017. doi: 10.4251/wjgo.v9.i3.121
Table 1 Baseline patient demographics
Characteristicn (%)
Median age (range) (yr)63.8 (26.9-89.0)
Ethnicity
Chinese203 (74.9)
Indian13 (4.8)
Malay20 (7.4)
Others35 (12.9)
Gender
Male134 (49.4)
Female137 (50.6)
ECOG status
089 (32.8)
1135 (49.8)
228 (10.3)
311 (4.1)
48 (3.0)
ASA score
1107 (39.5)
2128 (47.2)
336 (13.3)
Comorbidities
Diabetes mellitus56 (20.7)
Hypertension124 (45.8)
Cardiac comorbidities43 (15.9)
Respiratory comorbidities15 (5.5)
Chronic renal impairment10 (3.7)
Central nervous system comorbidity19 (7.0)
Previous cancer27 (10.0)
Cigarette smoking58 (21.4)
Regular alcohol use31 (11.4)
Table 2 Baseline gastric cancer-related characteristics
Characteristic (n = 271)n (%)
Presentation of peritoneal metastases
At initial gastric cancer diagnosis258 (95.2)
Recurrence of treated gastric cancer13 (4.8)
Site of metastases
Peritoneal only217 (80.1)
Peritoneal and distant site(s)54 (19.9)
Primary gastric cancer location
Gastroesophageal junction23 (8.5)
Proximal gastric16 (5.9)
Gastric body101 (37.3)
Distal gastric103 (38.0)
Linitis plastica28 (10.3)
Lauren’s classification
Intestinal129 (47.6)
Diffuse142 (52.4)
c-erb-B2 receptor status (n = 195)
Positive37 (19.0)
Negative158 (81.0)
Table 3 First-line chemotherapy regime
Chemotherapy regime (n = 171)n (%)
Anthracycline + platinum-based agent + nucleotide analogue Examples epirubicin + cisplatin + 5-fluorouracil epirubicin + oxaliplatin + 5-fluorouracil13 (7.6)
Platinum-based agent + nucleotide analogue Examples cisplatin + 5-fluorouracil oxaliplatin + capecitabine cisplatin + S-197 (56.7)
Nucleotide analogue monotherapy Examples 5-fluorouracil capecitabine S-130 (17.5)
FOLFOX (5-fluorouracil + leucovorin + oxaliplatin)24 (14.0)
Other regimes (e.g., Docetaxel + cisplatin + 5-fluorouracil)7 (4.2)
Table 4 Reasons requiring unplanned hospitalizations
Reason (n = 201)n (%)
Symptomatic ascites64 (31.8)
Sepsis64 (31.8)
Gastric outlet obstruction60 (29.9)
Bleeding GIT60 (29.9)
Intestinal obstruction59 (29.4)
Chemotherapy-related toxicity23 (11.4)
Obstructive jaundice17 (8.5)
Obstructive uropathy17 (8.5)
Tumour perforation7 (3.5)
Table 5 Therapeutic interventions required
Treatment categoryTreatmentn (%)
SurgeryPalliative gastrectomy32 (36.0)
n = 89 (32.8%)Surgical bypass46 (51.7)
Open gastrostomy2 (2.2)
Feeding jejunostomy5 (5.6)
Cytoreductive surgery and hyperthermic intraperitoneal chemotherapy1 (1.1)
Others3 (3.3)
Endoscopic interventionFeeding tube insertion only45 (78.9)
n = 57 (21.0%)Stenting only8 (14.0)
Feeding tube insertion and stenting4 (7.0)
RadiotherapyRadiotherapy to gastric tumour29 (82.9)
n = 35 (12.9%)Radiotherapy to other sites6 (17.1)