Table 3 Characteristics of patients who received esketamine and those who did not. Data are presented as the mean (SD) or n (proportion)
Parameters | Before propensity score matching | After 1-to-1 propensity score matching | ||||
|---|---|---|---|---|---|---|
Esketamine (n = 105) | Non-esketamine(n = 192) | P-value | Esketamine (n = 105) | Non-esketamine(n = 105) | P-value | |
Age | 39 ± 13.1 | 44 ± 14.0 | 0.005 | 39 ± 13.1 | 40 ± 11.9 | 0.908 |
Sex(male) | 59 (56.2%) | 98 (51.0%) | 0.466 | 59 (56.2%) | 59 (56.2%) | 1.000 |
BMI | 24.2 ± 3.65 | 24.3 ± 3.50 | 0.693 | 24.2 ± 3.65 | 23.7 ± 3.59 | 0.331 |
ASA status | 0.150 | 0.234 | ||||
I | 73 (69.5%) | 114 (59.4%) | 73 (69.5%) | 68 (64.8%) | ||
II | 30 (28.6%) | 76 (39.6%) | 30 (28.6%) | 37 (35.2%) | ||
III | 2 ( 1.9%) | 2 ( 1.0%) | 2 ( 1.9%) | 0 ( 0.0%) | ||
Diabetes | 3 ( 2.9%) | 10 ( 5.2%) | 0.516 | 3 ( 2.9%) | 2 ( 1.9%) | 1.000 |
Hypertension | 5 (4.8%) | 25 (13.0%) | 0.040 | 5 ( 4.8%) | 5 ( 4.8%) | 1.000 |
WBC | 6.52 ± 1.66 | 6.33 ± 1.87 | 0.380 | 6.52 ± 1.66 | 6.34 ± 1.81 | 0.452 |
AST | 21.6 ± 10.3 | 22.7 ± 13.2 | 0.471 | 21.6 ± 10.3 | 23.1 ± 10.8 | 0.299 |
Hemoglobin | 136 ± 17.3 | 135 ± 16.7 | 0.808 | 136 ± 17.3 | 136 ± 17.5 | 0.855 |
Glucose | 5.1 ± 0.83 | 5.1 ± 0.98 | 0.918 | 5.1 ± 0.83 | 5.0 ± 0.73 | 0.092 |
Creatinine | 67.5 ± 15.0 | 67.3 ± 16.9 | 0.886 | 67.5 ± 15.0 | 68.1 ± 14.4 | 0.798 |
General anesthesia | 30 (28.6%) | 63 (32.8%) | 0.534 | 30 (28.6%) | 31 (29.5%) | 1.000 |
Colloids | 2 ( 1.9%) | 12 ( 6.2%) | 0.161 | 2 ( 1.9%) | 9 ( 8.6%) | 0.063 |
Surgery duration | 98 ± 49.0 | 94 ± 52.0 | 0.563 | 98 ± 49.0 | 98 ± 56.7 | 0.938 |
Emergencyoperation | 4 ( 3.8%) | 10 ( 5.2%) | 0.797 | 4 ( 3.8%) | 5 ( 4.8%) | 1.000 |
Surgical types | ||||||
Meniscus | 44 (41.9%) | 76 (39.6%) | 0.790 | 44 (41.9%) | 41 (39.0%) | 0.779 |
Joint | 11 (10.5%) | 17 ( 8.9%) | 0.803 | 11 (10.5%) | 9 ( 8.6%) | 0.814 |
Ligament | 12 (11.4%) | 22 (11.5%) | 1.000 | 12 (11.4%) | 13 (12.4%) | 1.000 |
Combined | 34 (32.4%) | 71 (37.0%) | 0.506 | 34 (32.4%) | 36 (34.3%) | 0.884 |
Other | 5 ( 4.8%) | 7 ( 3.6%) | 0.874 | 5 ( 4.8%) | 6 ( 5.7%) | 1.000 |
Dexmedetomidine | 87 (82.9%) | 160 (83.3%) | 1.000 | 87 (82.9%) | 90 (85.7%) | 0.705 |
Propofol | 52 (49.5%) | 84 (43.8%) | 0.405 | 52 (49.5%) | 45 (42.9%) | 0.406 |
Sevoflurane | 16 (15.2%) | 21 (10.9%) | 0.374 | 16 (15.2%) | 15 (14.3%) | 1.000 |
Dexamethasone | 38 (36.2%) | 91 (47.4%) | 0.082 | 38 (36.2%) | 38 (36.2%) | 1.000 |
Tramadol | 12 (11.4%) | 17 ( 8.9%) | 0.610 | 12 (11.4%) | 7 ( 6.7%) | 0.336 |