Table 1 Differences in particle counts by particle size and respiratory mode between experiment patterns 1 and 2.
Particle size (μm) | Respiratory mode (n = 9) | Mean difference [pattern (2)-pattern (1)] | %Change in mean particle count | Standard error of mean difference | Median of differences | Signed rank p value < 0.05 |
|---|---|---|---|---|---|---|
All | Normal | 7.33 | 54.55% | 6.05 | 0 | No (0.63) |
Talking | 71.89 | 330.10% | 22.35 | 41 | Yes (0.0039) | |
Coughing | 214.44 | 652.03% | 129.72 | 78 | Yes (0.027) | |
0.3 | Normal | 3.78 | 72.34% | 2.42 | 1 | No (0.36) |
Talking | 42.89 | 559.42% | 14.35 | 27 | Yes (0.0078) | |
Coughing | 149.00 | 1072.80% | 90.12 | 58 | Yes (0.031) | |
0.5 | Normal | 2.33 | 47.73% | 2.32 | 0 | No (0.56) |
Talking | 20.44 | 248.65% | 5.73 | 17 | Yes (0.0078) | |
Coughing | 57.67 | 513.86% | 34.65 | 19 | Yes (0.027) | |
1 | Normal | 1.22 | 37.93% | 1.81 | − 1 | No (0.81) |
Talking | 7.89 | 139.22% | 3.33 | 6 | No (0.055) | |
Coughing | 7.11 | 92.75% | 5.42 | 1 | No (0.23) | |
3 | Normal | 0.00 | 0.00% | 0.00 | 0 | No (1) |
Talking | 0.33 | 150.00% | 0.22 | 0 | No (0.5) | |
Coughing | 0.56 | 500.00% | 0.36 | 0 | No (0.31) | |
5 | Normal | 0.00 | Incalculable | 0.00 | 0 | No (1) |
Talking | 0.33 | Incalculable | 0.31 | 0 | No (1) | |
Coughing | 0.11 | Incalculable | 0.10 | 0 | No (1) | |
10 | Normal | 0.00 | Incalculable | 0.00 | 0 | No (1) |
Talking | 0.00 | Incalculable | 0.00 | 0 | No (1) | |
Coughing | 0.00 | Incalculable | 0.00 | 0 | No (1) |
