Table 2.
Elderly versus young group.
| Elderly (n = 14) |
Young patients (n = 64) |
p-Value | |
|---|---|---|---|
| Age (years) | 70.29 ± 6.2 | 33.3 ± 10.6 | <0.001a, d |
| Weight (kg) | 79 ± 20.4 | 71 ± 14.9 | 0.325a |
| Height (m) | 1.62 ± 0.1 | 1.62 ± 0.07 | 0.891a |
| Gender (M/F) | 7/7 | 15/49 | 0.045b, d |
| ASA classification, n (%) | 0.006b, d | ||
| I | 1 (7.1) | 14 (21.9) | |
| II | 7 (50) | 44 (68.8) | |
| III | 6 (42.9) | 6 (9.4) | |
| Hypertension | 11 (78.5) | 14 (22) | <0.001b, d |
| Diabetes mellitus | 3 (21.4) | 8 (12.5) | 0.385b |
| Obesity | 1 (7.1) | 12 (18.7) | 0.291b |
| Hypothyroidism | 1 (7.1) | 1 (1.6) | 0.231b |
| Anesthesia, n (%) | |||
| Inhalational | 4 (28.6) | 6 (9.4) | 0.097b |
| Total intravenous | 1 (7.1) | 10 (15.6) | |
| Anesthesia, n (%) | |||
| General | 3 (21.4) | 16 (25) | |
| Regional | 8 (57.1) | 47 (73.4) | 0.009b, d |
| Combined | 3 (21.4) | 1 (1.6) | |
| Use of opioids, n (%) | |||
| Fentanyl | 3 (21.4) | 11 (17.2) | |
| Sufentanil | 1 (7.1) | 4 (6.3) | |
| Morphine | 1 (7.1) | 3 (4.7) | 0.205c |
| Sufentanil + morphine | 0 (0) | 13 (20.3) | |
| Fentanyl + morphine | 2 (14.3) | 2 (3.1) | |
| Remifentanil + morphine | 0 (0) | 1 (1.6) | |
| Fentanyl + remifentanil | 0 (0) | 1 (1.6) | |
| Types of surgery, n (%) | |||
| Broncoesofagology | 0 (0) | 1 (1.6) | |
| Oral and maxillofacial | 0 (0) | 1 (1.6) | |
| Head and neck | 0 (0) | 1 (1.6) | |
| General surgery | 2 (14.3) | 2 (3.13) | |
| Oncology | 0 (0) | 2 (3.13) | |
| Thoracic | 0 (0) | 4 (6.25) | 0.004c, d |
| Vascular | 1 (7.15) | 2 (3.13) | |
| Gynecology | 0 (0) | 1 (1.6) | |
| Obstetric | 0 (0) | 37 (57.8) | |
| Neurosurgery | 1 (7.15) | 1 (1.6) | |
| Orthopedia | 2 (14.3) | 7 (11) | |
| Urology | 8 (57.15) | 5 (7.8) | |
| Prolonged wakefulness, n (%) | (0) | (0) | – |
| Heating with air in OR, n (%) | 5 (35.7) | 4 (6.3) | 0.008b, d |
| Heating with mattress in OR, n (%) | 1 (7.1) | 2 (3.1) | 0.460c |
| Heated serum in OR, n (%) | 10 (71.4) | 15 (23.4) | 0.001b, d |
| Heating with air in PACU, n (%) | 0 (0) | 6 (9.4) | 0.171b |
| Heating with mattress in PACU, n (%) | 0 (0) | 3 (4.7) | 0.309b |
| Heated serum in PACU, n (%) | 2 (14.3) | 4 (6.3) | 0.437b |
| Chills, n (%) | 1 (7.1) | 7 (10.9) | 0.672b |
| Complications, n (%) | 0 (0) | 5 (7.8) | 0.280b |
| Hypothermia, n (%) | 8 (57.1) | 45 (70.3) | 0.339b |
Categorical variables were expressed as absolute numbers and percentages. Continuous variables with normal distribution were expressed as means and standard deviations.
ASA: American Society of Anesthesiology; OR: Operation Room; PACU: Post Anesthetic Care Unit.
a
Student's t test.
b
Chi-square test.
c
Fisher test.
d
p < 0.05 was considered significant.