Table 1.
Participant demographics and results.
| Participant | Sex | Skin tone (Type) | BMI (kg/m2) | Success | Time (s) | Vein visible |
|---|---|---|---|---|---|---|
| 1 | M | III | 19.1 | Y | 115 | Y |
| 2 | M | II | 26.4 | Y | 121 | Y |
| 3 | F | II | 21.0 | Y | 110 | Y |
| 4 | F | IV | 26.4 | Y | 50 | Y |
| 5 | F | IV | 21.9 | Y | 78 | Y |
| 6 | F | III | 19.5 | N | 110 | Y |
| 7 | M | V | 24.4 | Y | 202 | Y |
| 8 | F | V | 19.9 | Y | 69 | Y |
| 9 | M | II | 29.8 | Y | 80 | Y |
| 10 | M | II | 31.2 | N | 52 | Y |
| 11 | M | II | 22.2 | Y | 62 | Y |
| 12 | M | II | 22.2 | Y | 76 | Y |
| 13 | F | II | 23.2 | Y | 62 | Y |
| 14 | M | IV | 37.8 | N | 125 | N |
| 15 | F | III | 22.3 | Y | 72 | Y |
| 16 | M | II | 25.8 | Y | 92 | Y |
| 17 | F | III | 19.7 | Y | 55 | Y |
| 18 | M | I | 19.6 | Y | 84 | Y |
| 19 | M | II | 39.7 | Y | 73 | N |
| 20 | M | III | 22.9 | Y | 125 | Y |
| 21 | M | II | 29.8 | Y | 132 | Y |
| 22 | M | III | 19.6 | Y | 65 | Y |
| 23 | F | II | 20.4 | Y | 80 | N |
| 24 | F | III | 30.2 | N | 121 | N |
| 25 | M | II | 19.7 | Y | 78 | Y |
| 26 | M | III | 25.9 | Y | 115 | Y |
| 27 | F | III | 21.6 | Y | 63 | Y |
| 28 | F | I | 26.6 | Y | 86 | Y |
| 29 | M | II | 23.7 | Y | 48 | Y |
| 30 | F | II | 23.1 | Y | 72 | N |
| 31 | M | II | 22.0 | Y | 135 | Y |