Table 1.
Comparison of collection time and VAS between the two groups.
| Collection time (s) | VAS score | |
|---|---|---|
| Traditional group (n = 582) | 5.44 ± 2.97 | 2.58 ± 2.18 |
| Improved group (n = 665) | 4.00 ± 2.31 | 1.80 ± 1.97 |
| t | 9.61 | 6.64 |
| P | 0.00 | 0.00 |
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