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Table 2 Clinical characteristics of the patients with or without port infections

From: Port type is a possible risk factor for implantable venous access port-related bloodstream infections and no sign of local infection predicts the growth of gram-negative bacilli

Variables All patients Port infection (−) Port infection (+) P value
N 552 518 (94 %) 34 (6 %)  
Gender—n (%)     0.0071
 Female 317 (57 %) 305 (59 %) 12 (35 %)  
 Male 235 (43 %) 213 (41 %) 22 (65 %)  
Age—mean ± SD 59.9 ± 12.3 59.5 ± 12.3 64.9 ± 11.1 0.0132
Age—n (%)     0.0312
 Age ≤ 65 years 369 (67 %) 352 (68 %) 17 (50 %)  
 Age > 65 years 183 (33 %) 166 (32 %) 17 (50 %)  
Malignancy (indication for the port)—n (%)     0.0005
 Lung cancer 105 (19 %) 88 (17 %) 17 (50 %)  
 Head and neck tumor 29 (5 %) 27 (5 %) 2 (6 %)  
 Breast cancer 132 (24 %) 130 (25 %) 2 (6 %)  
 Esophageal cancer 5 (1 %) 5 (1 %) 0 (0 %)  
 Gastric cancer 22 (4 %) 22 (4 %) 0 (0 %)  
 Colorectal cancer 114 (21 %) 111 (21 %) 3 (9 %)  
 Urological cancer 55 (10 %) 50 (10 %) 5 (15 %)  
 Ovary cancer and cervical cancer 47 (9 %) 43 (8 %) 4 (12 %)  
 Hepatobiliary and pancreatic tumor 9 (2 %) 9 (2 %) 0 (0 %)  
 Leukemia and lymphoma 25 (5 %) 25 (5 %) 0 (0 %)  
 Other malignancies 9 (2 %) 8 (2 %) 1 (3 %)  
Malignancy (lung cancer or others)—n (%)     <0.0001
 Lung cancer 447 (81 %) 430 (83 %) 17 (50 %)  
 Other malignancies 105 (19 %) 88 (17 %) 17 (50 %)  
Surgeon—n (%)     0.5273
 Surgeon A 142 (26 %) 131 (25 %) 11 (32 %)  
 Surgeon B 358 (65 %) 339 (65 %) 19 (56 %)  
 Other surgeons 52 (9 %) 48 (9 %) 4 (12 %)