Table 1 Comparisons of characteristics of the three groups
From: Ultrasound-assisted modified paramedian technique for spinal anesthesia in elderly
Group M (n = 46) | Group P (n = 49) | Group PM (n = 49) | P | |
|---|---|---|---|---|
Age (y) | 72.33 ± 7.02 | 71.49 ± 6.53 | 72.10 ± 5.53 | 0.802 |
Height (cm) | 168.78 ± 5.49 | 169.94 ± 6.64 | 168.35 ± 5.25 | 0.380 |
Weight (kg) | 64.15 ± 9.49 | 65.24 ± 10.30 | 66.51 ± 10.89 | 0.534 |
BMI (kg·m−2) | 22.51 ± 3.08 | 22.55 ± 3.03 | 23.42 ± 3.28 | 0.276 |
Time of surgery (min) | 97.15 ± 47.25 | 82.12 ± 36.81 | 98.33 ± 42.93 | 0.114 |
Gender | 0.371 | |||
M | 46(100) | 47(95.9) | 46(93.9) | |
F | 0(0) | 2(4.1) | 3(6.1) | |
ASA | 0.805 | |||
I | 3 (6.5) | 2 (4.1) | 3 (6.1) | |
II | 36 (78.3) | 42 (85.7) | 42 (85.7) | |
III | 7 (15.2) | 5 (10.2) | 4 (8.2) | |
Type of surgery | 0.741 | |||
TURP | 21 (45.7) | 21 (42.9) | 28 (57.1) | |
TULIP | 7 (15.2) | 8 (16.3) | 8 (16.3) | |
Ultrasound-guided prostate biopsy | 7 (15.2) | 10 (20.4) | 5 (10.2) | |
Others | 11 (23.9) | 10 (20.4) | 8 (16.3) |