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Table 1 Population, surgical, and tumor-related characteristics according to age

From: Short-term postoperative outcomes of gastric adenocarcinoma patients treated with curative intent in low-volume centers

Patients

Total

< 75 years old

≥ 75 years old

P value

n = 591

n = 341 (57.7%)

n = 250 (42.3%)

Sex

   

0.14

 Men

363 (61.4%)

218 (63.9%)

145 (58%)

 

 Women

228 (38.6%)

123 (36.1%)

105 (42%)

 

Location

   

0.001

 GEJ-SIII type

43 (7.3%)

30 (8.8%)

13 (5.2%)

 

 Gastric

548 (92.7%)

311 (91.2%)

237 (94.8%)

 

  Fundus

35 (5.9%)

21 (6.2%)

14 (5.6%)

 

  Corpus

221 (37.4%)

145 (42.5%)

76 (30.4%)

 

  Antrum

292 (49.4%)

145 (42.5%)

147 (58.8%)

 

ASA score

   

< 0.001

 I

43 (7.3%)

38 (11.2%)

5 (2%)

 

 II

241 (40.9%)

168 (49.4%)

73 (29.3%)

 

 III

281 (47.7%)

129 (37.9%)

152 (61%)

 

 IV

24 (4.1%)

5 (1.5%)

19 (7.6.8%)

 

Charlson

1 (0–2)

1 (0–2)

2 (1–3)

 

Charlson categories

   

0.003

 No or low (0–1)

332 (56.4%)

211 (62.2%)

121 (48.6%)

 

 Medium (2)

115 (19.6%)

61 (18%)

54 (21.7%)

 

 High (≥ 3)

141 (24%)

67 (19.8%)

74 (29.7%)

 

Neoadjuvant therapy

   

< 0.001

 No

424 (72.6%)

203 (60.2%)

221 (89.5%)

 

 Yes

160 (27.4%)

134 (39.8%)

26 (10.5%)

 

Laparoscopic approach

   

0.92

 No

531 (89.8%)

306 (89.7%)

225 (90%)

 

 Yes

60 (10.2%)

35 (10.3%)

25 (10%)

 

Gastrectomy

   

< 0.001

 Proximal

4 (0.7%)

3 (0.9%)

1 (0.4%)

 

 Distal subtotal

299 (50.9%)

134 (39.4%)

165 (66.5%)

 

 Total

285 (48.5%)

203 (59.7%)

82 (33.1%)

 

Radicality

   

0.59

 R0

559 (94.6%)

324 (95%)

235 (94%)

 

 R1

32 (5.4%)

17 (5%)

15 (6%)

 

Lymphadenectomy

   

< 0.001

 D0–D1

143 (24.3%)

56 (16.5%)

87 (34.9%)

 

 D1+ or more

445 (75.7%)

283 (83.5%)

162 (65.1%)

 

Lymph nodes retrieved

17 (12–25)

   

 < 15 lymph nodes

232 (39.3%)

117 (34.4%)

115 (46%)

0.005

 ≥ 15 lymph nodes

358 (60.7%)

223 (65.6%)

135 (54%)

 

Positive lymph nodes

329 (55.7%)

   

pTNM classification

   

0.053

 0

11 (1.9%)

9 (2.6%)

2 (0.8%)

 

 IA

72 (12.2%)

53 (15.5%)

19 (7.6%)

 

 IB

86 (14.6%)

46 (13.5%)

40 (16%)

 

 IIA

87 (14.7%)

46 (13.5%)

41 (16.4%)

 

 IIB

97 (16.4%)

58 (17%)

39 (15.6%)

 

 IIIA

73 (12.4%)

40 (11.7%)

33 (13.2%)

 

 IIIB

91 (15.4%)

46 (13.5%)

45 (18%)

 

 IIIC

74 (12.5%)

43 (12.6%)

31 (12.4%)

 

Annual hospital volume

   

0.98

 < 10

225 (38.1%)

130 (38.1%)

95 (38%)

 

 ≥ 10

366 (61.9%)

211 (61.9%)

155 (62%)

 
  1. GEJ-SIII gastroesophageal junction Siewert type III, ASA American Society of Anesthesiologists classification
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World Journal of Surgical Oncology

ISSN: 1477-7819

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