|
Table 5: GRADE level of evidence and certainty. Intravascular balloon occlusion compared with not using intravascular occlusion balloon to reduce intraoperative bleeding. |
||||||||||||
|
Certainty assessment |
N of patients |
Effect |
Certainty |
Importance |
||||||||
|
N of studies |
Study design |
Risk of bias |
Inconsistency |
Indirectness |
Imprecision |
Other considerations |
Intravascular occlusion balloon |
Not intravascular occlusion balloon |
Relative (95% CI) |
Absolute (95% CI) |
||
|
Ioscovich A 2023 |
Non- randomised studies |
Not serious |
Not serious |
Not serious |
Not serious |
Strong association |
10 cases 11 controls |
OR −1.58 (−2.53 to −0.63) |
− |
⨁⨁⨁◯ Moderate |
Important |
|
|
− |
0.0% |
0 fewer per 1,000 (from 0 fewer to 0 fewer) |
||||||||||
|
Hao Z 2016 |
Non- randomised studies |
Not serious |
Not serious |
Not serious |
Not serious |
Very strong association |
18 cases 23 controls |
OR −3.98 (−5.03 to −2.93) |
− |
⨁⨁⨁⨁ High |
Important |
|
|
− |
0.0% |
0 fewer per 1,000 (from 0 fewer to 0 fewer) |
||||||||||
|
Zeng C 2017 |
Non- randomised studies |
Not serious |
Not serious |
Not serious |
Not serious |
Very strong association |
48 cases 38 controls |
OR −0.56 (−0.99 to −0.13) |
− |
⨁⨁⨁⨁ High |
Important |
|
|
− |
0.0% |
0 fewer per 1,000 (from 0 fewer to 0 fewer) |
||||||||||
|
Huo F 2021 |
Non- randomised studies |
Not serious |
Not serious |
Not serious |
Not serious |
Very strong association |
17/33 (51.5%) |
16/33 (48.5%) |
OR 0.12 (−0.54 to 0.79) |
383 fewer per 1,000 (from 1,000 fewer to 58 fewer) |
⨁⨁⨁⨁ High |
Important |
|
Papillon− Smith J 2020 |
Non- randomised studies |
Not serious |
Not serious |
Not serious |
Not serious |
Strong association |
47/79 (59.5%) |
32/79 (40.5%) |
OR −0.76 (−1.22 to −0.30) |
1,000 fewer per 1,000 (from 1,000 fewer to 662 fewer) |
⨁⨁⨁◯ Moderate |
No important |
|
Ye Y 2023 |
Non- randomised studies |
Not serious |
Not serious |
Not serious |
Not serious |
Strong association |
278/364 (76.4%) |
86/364 (23.6%) |
OR −2.30 (−2.60 to −2.01) |
1,000 fewer per 1,000 (from 1,000 fewer to 1,000 fewer) |
⨁⨁⨁◯ Moderate |
Important |
|
Wu Q 2016 |
Non- randomised studies |
Not serious |
Not serious |
Not serious |
Not serious |
Very strong association |
230/268 (85.8%) |
38/268 (14.2%) |
OR −8.36 (−9.15 to −7.57) |
1,000 more per 1,000 (from 1,000 more to 1,000 more) |
⨁⨁⨁⨁ High |
Important |
|
Peng W 2020 |
Non- randomised studies |
Not serious |
Not serious |
Not serious |
Not serious |
Strong association |
252/586 (43.0%) |
296/586 (50.5%) |
OR 0.46 (0.29 to 0.63) |
186 fewer per 1,000 (from 277 fewer to 114 fewer) |
⨁⨁⨁◯ Moderate |
Important |
|
Zhao X 2016 |
Non- randomised studies |
Not serious |
Not serious |
Not serious |
Not serious |
Strong association |
23 cases 34 controls |
OR −18.28 (−21.68 to −14.89) |
− |
⨁⨁⨁◯ Moderate |
No important |
|
|
− |
0.0% |
0 fewer per 1,000 (from 0 fewer to 0 fewer) |
||||||||||
|
Duan X 2018 |
Non- randomised studies |
Not serious |
Not serious |
Not serious |
Not serious |
Strong association |
22/45 (48.9%) |
23/45 (51.1%) |
OR −4.26 (−5.31 to −3.21) |
778 more per 1,000 (from 709 more to 913 more) |
⨁⨁⨁◯ Moderate |
Important |
|
Wang Y 2020 |
Non- randomised studies |
Not serious |
Not serious |
Not serious |
Serious |
Strong association |
600/623 (96.3%) |
23/623 (3.7%) |
OR −3.62 (−4.08 to −3.16) |
198 fewer per 1,000 (from 222 fewer to 175 fewer) |
⨁⨁◯◯ Low |
No important |
|
Peng Y 2020 |
Non- randomised studies |
Not serious |
Not serious |
Not serious |
Not serious |
Strong association |
48/104 (46.2%) |
56/104 (53.8%) |
OR 0.37 (−0.02 to 0.76) |
237 fewer per 1,000 (from 562 fewer to 68 fewer) |
⨁⨁⨁◯ Moderate |
Important |