Observational Study
Copyright ©2014 Baishideng Publishing Group Co.
World J Gastroenterol. Apr 28, 2014; 20(16): 4797-4805
Published online Apr 28, 2014. doi: 10.3748/wjg.v20.i16.4797
Table 1 Patient characteristics in group computed tomography with 3D imaging and group NO-computed tomography with 3D imaging
Patient characteristicsGroup NO-3DCTGroup 3DCTP value
No. of patients81231
Age (yr)59.48 ± 10.8261.34 ± 10.380.542
Gender0.484
Male58178
Female2352
BMI, kg/m221.67 ± 3.2421.95 ± 2.740.273
Tumour size, mm57.53 ± 23.6655.76 ± 27.880.251
Histology0.262
Differentiated2998
Undifferentiated52133
Depth of invasion0.098
pT1a510
pT1b69
pT2122
pT32987
pT4a40103
Lymph node metastasis0.090
pN02545
pN11337
pN21243
pN331106
TNM stage0.487
Ia615
Ib412
IIa1525
IIb927
IIIa1231
IIIB1252
IIIC2369
Table 2 Operative data in group computed tomography with 3D imaging and group NO-computed tomography with 3D imaging
Group NO-3DCTGroup 3DCTP value
Operation time, min189.56 ± 48.36173.65 ± 27.120.007
Operation time at splenic hilum, min24.47 ± 9.9819.70 ± 5.590.001
Blood loss, mL57.34 ± 30.7850.18 ± 28.890.064
Blood loss at the splenic hilum, mL17.92 ± 9.0813.62 ± 4.500.001
No. of positive No. 10 lymph nodes0.25 ± 0.790.24 ± 0.850.889
No. of retrieved No. 10 lymph nodes2.48 ± 2.182.85 ± 2.330.225
No. of positive lymph nodes7.97 ± 10.659.10 ± 10.080.414
No. of retrieved lymph nodes39.47 ± 13.5143.19 ± 15.640.067
Table 3 Postoperative data in group computed tomography with 3D imaging and group NO-computed tomography with 3D imaging
Group NO-3DCTGroup 3DCTP value
Postoperative hospital stay, d11.03 ± 2.8412.29 ± 6.490.094
Day of first flatus, d3.95 ± 1.074.19 ± 1.040.079
Day of first fluid diet, d4.29 ± 1.124.55 ± 1.700.205
Day of first semifluid diet, d7.85 ± 1.928.15 ± 3.520.463
Blood transfusion, n001.000
Postoperative complications, n11350.731
Pulmonary infection, n7110.141
Abdominal infection, n1120.085
Chylous fistula, n120.770
Wound problem, n030.303
Anastomotic leakage, n030.303
Anastomotic bleeding, n130.965
Septicaemia, n010.554
Postoperative mortality, n001.000
Table 4 Subgroup comparison according to body mass index
BMI < 23 kg/m2 (n = 201)
BMI23 kg/m2 (n = 111)
Group NO-3DCTGroup 3DCTP valueGroup NO-3DCTGroup 3DCTP value
No. of patients561452586
Age, yr57.73 ± 11.5960.95 ± 11.430.74563.40 ± 7.7261.99 ± 8.370.807
Operation time, min188.09 ± 52.63171.38 ± 26.320.028187.92 ± 32.00177.44 ± 28.170.121
Operation time at splenic hilum, min23.74 ± 9.5619.39 ± 5.460.00126.17 ± 11.0120.27 ± 5.840.003
Blood loss, mL61.27 ± 35.9451.83 ± 22.660.07348.33 ± 7.6149.41 ± 34.730.670
Blood loss at splenic hilum, mL17.98 ± 8.1213.27 ± 4.960.00017.78 ± 11.2814.29 ± 3.390.054
No. of retrieved lymph nodes38.38 ± 12.2546.18 ± 16.860.00242.09 ± 16.1537.86 ± 11.480.172
No. of retrieved No. 10 lymph nodes2.67 ± 2.273.20 ± 2.420.1622.04 ± 1.942.23 ± 2.060.692
Postoperative hospital stay, d10.69 ± 2.2911.62 ± 5.840.25611.79 ± 3.7713.42 ± 7.360.299
Postoperative complications, n9180.4952170.169
Table 5 Subgroup comparison according to the number of cumulative laparoscopic spleen-preserving splenic hilar lymph node dissection cases
Less than 40 cases (n = 40)
More than 40 cases (n = 272)
Group NO-3DCTGroup 3DCTP valueGroup NO-3DCTGroup 3DCTP value
No. of patients182259213
Age, yr61.05 ± 10.1459.22 ± 13.460.82763.81 ± 8.0360.96 ± 10.520.053
Operation time, min205.00 ± 67.36199.44 ± 46.990.769176.40 ± 27.83173.39 ± 27.590.466
Operation time at the splenic hilum, min30.27 ± 11.5828.92 ± 11.610.77923.85 ± 7.9218.63 ± 4.400.000
Blood loss, mL69.32 ± 37.4966.35 ± 33.100.36849.18 ± 23.2550.29 ± 29.970.799
Blood loss at the splenic hilum, mL30.27 ± 8.1732.38 ± 13.610.51415.10 ± 4.4213.10 ± 4.170.005
No. of retrieved lymph nodes34.97 ± 10.6725.33 ± 10.260.14043.54 ± 14.6143.47 ± 15.560.980
No. of retrieved No. 10 lymph nodes2.81 ± 2.002.33 ± 1.870.3132.74 ± 2.332.88 ± 2.330.719
Postoperative hospital stay, d12.87 ± 1.7811.91 ± 2.590.11211.93 ± 5.2712.15 ± 6.370.809
Postoperative complications, n330.7898320.779