Table 3 Primary and secondary patency of the VA stratified by the sides and locations of VA
Ipsilateral vs contralateral VA | Forearm vs upper arm VA | ||||||
|---|---|---|---|---|---|---|---|
Total | Ipsilateral VA | Contralateral VA | P value | Forearm | Upper arm | P value | |
(n = 42) | (n = 22) | (n = 20) | (n = 33) | (n = 9) | |||
CIED after VA | 16 (38.1) | 5 (22.7) | 11 (55) | 0.03 | 13 (39.4) | 3 (33.3) | 0.74 |
Time interval (months) | 25 (1–117) | 7 (1–40) | 29 (4–117) | 0.14 | 22 (1–117) | 29 (8–61) | 0.32 |
Primary patency (months) | 59 (1–136) | 34 (1–117) | 65 (1–136) | 0.70 | 59 (1–136) | 49 (1–49) | 0.76 |
1 year (%) | 71 | 67 | 74 | 0.72 | 66 | 89 | 0.29 |
3 years (%) | 57 | 45 | 68 | 0.39 | 53 | 67 | 0.39 |
5 years (%) | 46 | 34 | 56 | 0.36 | NA | NA | NA |
Secondary patency (months) | 65 (1–136) | 59 (1–117) | 78 (1–136) | 0.60 | 59 (1–136) | 45 (1–51) | 0.31 |
1 year (%) | 82 | 81 | 84 | 0.81 | 80 | 89 | 0.61 |
3 years (%) | 67 | 50 | 84 | 0.12 | 62 | 89 | 0.31 |
5 years (%) | 52 | 38 | 67 | 0.15 | NA | NA | NA |