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Table 1 Clinical parameters in 3D and 2D groups

From: Case-matched study of short-term effects of 3D vs 2D laparoscopic radical resection of rectal cancer

  3D group 2D group χ 2 P
(n = 23) (n = 23)
Gender
 Male 14(60.9) 16(69.6) 0.383 0.536
 Female 9(39.1) 7(30.4)   
Pathology
 Adenocarcinoma 18(78.3) 13(87) 2.473 0.116
 Mucinous adenocarcinoma 5(21.7) 10(13)   
Differentiation
 Poorly to moderately-poorly 13(56.5) 10(43.5) 0.723 0.376
 Moderately-well to well 10(43.5) 13(54.5)   
T-stage
 T2 4(17.4) 4(17.4) 0 1
 T3 19(82.6) 19(82.6)   
Conversion to open surgery
 No 3(13.6) 5(27.3) 0.605 0.437
 Yes 20(86.4) 18(72.7)   
Modus operandi
 AR 16(69.6) 17(73.9) 0.107 0.743
 ARP 7(31.4) 6(26.1)
  1. 2D two-dimensional, 3D three-dimensional, AR anterior resection, APR abdominoperineal resection