Table 1 clinical characteristics of patients [case (%)]
Characteristics | Fr32 silicone tube(n = 81) | Fr24 silicone tube(n = 54) | Fr24 latex tubes(n = 47) | χ2 value | P value |
|---|---|---|---|---|---|
Gender | Â | Â | Â | 0.284 | 0.868 |
 Male | 45 (55.56) | 30 (55.56) | 24 (51.06) |  |  |
 Female | 36 (44.44) | 24 (44.44) | 23 (48.94) |  |  |
Age (years) | Â | Â | Â | 3.916 | 0.141 |
 <60 | 30 (37.04) | 15 (38.46) | 25 (53.19) |  |  |
 ≥60 | 51 (62.96) | 39 (61.54) | 22 (46.81) |  |  |
Hemoglobin(g/ L) | Â | Â | Â | 0.513 | 0.774 |
 ≤90 | 12 (14.81) | 8 (14.81) | 5 (10.64) |  |  |
 > 90 | 69 (85.19) | 46 (85.19) | 42 (89.36) |  |  |
Albumin (g/ L) | Â | Â | Â | 0.369 | 0.820 |
 ≤30 | 8 (9.88) | 7 (12.96) | 6 (12.77) |  |  |
 > 30 | 73 (90.12) | 47 (87.04) | 41 (87.23) |  |  |
Chronic diseases (diabetes, etc.) | Â | Â | Â | 3.328 | 0.189 |
 Yes | 35 (43.21) | 15 (38.46) | 17 (36.17) |  |  |
 No | 46 (56.79) | 39 (61.54) | 30 (63.83) |  |  |
Tumor diameter (cm) | Â | Â | Â | 1.190 | 0.385 |
 ≤ 3 | 28 (34.57) | 14 (25.93) | 18 (38.30) |  |  |
 >3 | 53 (65.43) | 40 (74.07) | 29 (61.70) |  |  |
Anastomotic level (cm) | Â | Â | Â | 1.373 | 0.503 |
 ≤ 5 | 19 (23.46) | 16 (29.63) | 10 (21.28) |  |  |
 >5 | 62 (76.54) | 36 (70.37) | 37 (78.72) |  |  |
Tumor stage | Â | Â | Â | 0.362 | 0.849 |
 T1–2 | 17 (20.99) | 10 (18.52) | 8 (17.02) |  |  |
 T3–4 | 64 (79.01) | 44 (81.48) | 39 (82.98) |  |  |
Regional lymph nodes | Â | Â | Â | 1.863 | 0.394 |
 N0–1 | 58 (71.60) | 43 (79.63) | 32 (68.09) |  |  |
 N2 | 23 (28.40) | 11 (20.37) | 15 (31.91) |  |  |