Table 2 Anesthetic factors of epidural anesthesia
Patients with ADP (n = 35) | Patients without ADP (n = 69) | P-value | |
|---|---|---|---|
Intervertebral level for puncture | T10 [T5–T12] | T10 [T6–T11] | 0.17 |
T4–6 | 1 (3) | 3 (4) | |
T7–9 | 5 (14) | 13 (19) | |
T10–12 | 24 (69) | 51 (74) | |
L1 | 5 (14) | 2 (3) | |
Method of approach (median:para-median) | 11:21 | 35:34 | 0.14 |
Number of attempts | 2 [1, 2] | 1 [1–1.8] | < 0.01 |
Number of operators | 1 [1] | 1 [1] | 0.31 |
Depth (cm) | 4.5 [4.0–5.0] | 4.5 [4.0–5.0] | 0.30 |
Experience of the anesthesiologist (years) | 8 [3–20] | 9 [3–18] | 0.65 |