Table 1.
Comparison of the demographics of 217 elderly patients between the GA and PNBs groups
| Total (n=217) |
GA group (n=72) |
PNBs group (n=145) |
χ2 or 95% CI | P-value | |
|---|---|---|---|---|---|
| Female* | 151 (69.6%) | 51 (70.8%) | 100 (69.0%) | 0.08 | 0.778 |
| Age (years)† | 79.8±6.6 | 78.8±5.6 | 80.1±7.0 | −3.16 to −0.56 | 0.169 |
| Weight (kg)† | 58.3±11.4 | 57.4±9.3 | 58.8±12.3 | −4.60 to 1.86 | 0.404 |
| Height (cm)† | 162.1±7.5 | 161.9±7.2 | 161.2±7.7 | −2.49 to 1.80 | 0.751 |
| BMI (kg/m2)* | 22.1±3.5 | 21.8±2.8 | 22.8±3.9 | 148.26 | 0.455 |
| Operation site (left)* | 109 (50.2%) | 37 (51.4%) | 72 (49.7%) | 0.06 | 0.810 |
| ASA status* | 2.60 | 0.273 | |||
| 2 | 77 (35.5%) | 25 (34.7%) | 52 (35.9%) | ||
| 3 | 99 (45.6%) | 35 (48.6%) | 64 (44.1%) | ||
| 4 | 41 (18.9%) | 12 (16.7%) | 29 (20.0%) |
Notes: Data are presented as number (percentage), or ratio or mean ± standard deviation;
*
χ2, test of independence;
†
two-tailed Student’s t-test.
Abbreviations: ASA, American Society of Anesthesiologists; BMI, body mass index; CI, confidence interval; GA, general anesthesia; PNBs, peripheral nerve blocks.