Table 2 The analysis of the concentration number of particulate matter detected in three surgical approaches
Particulate matter size | Maximum counts (one cut, means ± standard deviation) | Maximum counts (one cut, median) | Total counts (one cut, means ± standard deviation) | Total counts (one cut, median) | Total counts (whole procedure, means ± standard deviation) | Count per minute (means ± standard deviation) | |
|---|---|---|---|---|---|---|---|
Gasless transaxillary endoscopic thyroidectomy | 2.5 | 27.50 ± 3.07 | 27.5 | 122.89 ± 20.83 | 121.5 | 1462.78 ± 102.55 | 9.55 ± 0.84 |
10 | 65.44 ± 4.91 | 66 | 363.44 ± 36.89 | 359 | 2945.39 ± 238.45 | 19.21 ± 1.69 | |
Breast approach endoscopic thyroidectomy | 2.5 | 28.53 ± 2.41 | 28 | 118 ± 18.83 | 119 | 1464.53 ± 103.19 | 9.18 ± 0.63 |
10 | 68.73 ± 4.48 | 68 | 371.40 ± 36.31 | 360 | 2971.60 ± 233.06 | 18.62 ± 1.41 | |
Open thyroidectomy | 2.5 | 155.9 ± 17.59 | 152 | 875.40 ± 145.58 | 839 | 1349.53 ± 161.19 | 13.64 ± 1.61 |
10 | 293.67 ± 4.48 | 292 | 1762.80 ± 288.62 | 1745 | 2781.69 ± 343.26 | 28.10 ± 3.28 |