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Table 1 Clinical characteristics of all patients

From: Peripherally inserted central venous catheter in upper extremities leads to an increase in D-dimer and deep vein thrombosis in lower extremities

Factors PICC NO PICC
n = 104 n = 3348
Age (year, mean ± standard deviation) 62.0 ± 14.0 61.5 ± 13.6
Male 61 (58.7 %) 2036 (60.8 %)
Malignant tumor 7 (6.7 %) 120 (3.6 %)
Recent surgery 18 (17.3 %) 222 (6.6 %)
Cerebral hemorrhage 30 (28.8 %) 206 (6.2 %)
Ischemic stroke 32 (30.8 %) 1581 (47.2 %)
Parkinson’s disease 2 (1.9 %) 228 (6.8 %)
Infection 6 (5.8 %) 331 (9.9 %)
BMI ≥ 25 9 (8.6 %) 22 (0.7 %)
Unconsciousness 80 (76.9 %) 847 (25.3 %)
Critical illness 11 (10.6 %) 163 (4.9 %)
  1. Note: PICC refers to peripherally inserted central venous catheter; BMI refers to body mass index; malignant tumor refers to cases treated within the prior six months; recent surgery refers to neurosurgery (over two hours) performed within six months; critical illness refers to the circumstance where patients have a high risk of disease variation or death