Recovery of the heels after repeated heel sticks
| Microlance | Tenderfoot preemie | χ2test | p Value | |
| Bruising of the heel | 6.39 | <0.01 | ||
| No | 0 (0) | 5 (16) | ||
| Yes | 38 (100) | 27 (84) | ||
| Inflammation of the heel | 5.25 | <0.05 | ||
| No | 8 (21) | 15 (47) | ||
| Yes | 30 (79) | 17 (53) | ||
| Bruising of the ankle or leg | 13.82 | <0.001 | ||
| No | 3 (8) | 15 (47) | ||
| Yes | 35 (92) | 17 (53) | ||
| Skin healing of the puncture site | 1.01 | 0.32 | ||
| Fair | 10 (26) | 12 (38) | ||
| Poor | 28 (74) | 20 (62) |
Values are numbers with percentages in parentheses.