Characteristics of study cohorta
| EBP (n = 127) | No EBP (n = 4308) | P Value | |
|---|---|---|---|
| BMI | 28.69 (8.09) | 29.34 (8.27) | .25 |
| BMI group | .56 | ||
| <25 | 47 (3.25) | 1399 (96.75) | |
| 25–30 | 33 (2.65) | 1212 (97.35) | |
| >30 | 47 (2.69) | 1697 (97.31) | |
| Needle type/size | <.001 | ||
| 22W | 30 (1.38) | 2147 (98.62) | |
| 20Q | 69 (4.6) | 1431 (95.4) | |
| 22Q | 28 (3.69) | 730 (96.31) |
↵a The numeric values are reported with percentages in parentheses.