Research Article
Outcome, Pain Perception, and Health-Related Quality of Life in Patients Submitted to Percutaneous Ethanol Injection for Simple Thyroid Cysts
Table 1
Characteristics of thyroid cyst and percutaneous ethanol injection (PEI) procedures.
| Volume (ml) | <10.0 | 10.1–20.0 | 20.1–30.0 | >30 | |
| Baseline volume (ml) | | | | | <0.01 |
| Number of PEI | | | | | <0.05 |
| Fluid drained/session (ml) | PEI 1: 4.6 ± 2.1 PEI 2: 2.4 ± 1.6 PEI 3: 2.1 ± 0.1 | PEI 1: 9.8 ± 3.9 PEI 2: 6.2 ± 2.5 PEI 3: 2.1 ± 0.9 | PEI 1: 16.8 ± 5.8 PEI 2: 9.0 ± 2.2 PEI 3: 4.0 ± 4.2 | PEI 1: 42.9 ± 20.2 PEI 2: 20.7 ± 11.6 PEI 3: 12.9 ± 10.7 | <0.01 <0.01 <0.01 |
| Alcohol injected/session | PEI 1: 1.6 ± 0.7 PEI 2: 1.2 ± 0.5 PEI 3: 1.0 ± 0.1 | PEI 1: 2.8 ± 1.0 PEI 2: 2.2 ± 1.0 PEI 3: 1.0 ± 0.1 | PEI 1: 3.4 ± 1.0 PEI 2: 2.2 ± 1.0 PEI 3: 2.0 ± 1.4 | PEI 1: 6.0 ± 4.1 PEI 2: 3.1 ± 1.5 PEI 3: 2.4 ± 1.5 | <0.05 NS NS |
| Volume reduction/session (%) | PEI 1: 67.6 PEI 2: 77 PEI 3: 93.1 | PEI 1: 65.2 PEI 2: 68.6 PEI 3: 76.2 | PEI 1: 72.1 PEI 2: 74.4 PEI 3: 79.2 | PEI 1: 51.4 PEI 2: 78.2 PEI 3: 75 | <0.05 NS <0.05 |
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