Table 1 Cohort characteristics
Variables | Control Group (n = 29) | Magnesium Group (n = 29) | p |
|---|---|---|---|
Age (years) | 41.47 ± 9.28 | 43.33 ± 9.65 | 0.448 |
Height (cm) | 1.61 ± 0.05 | 1.61 ± 0.05 | 0.980 |
Weight (kg) | 65.75 ± 8.7 | 62.03 ± 8.7 | 0.104 |
BMI (kg/m2) | 25.26 ± 2.99 | 23.88 ± 3.26 | 0.093 |
Duration of tracheal intubation (min) | 155.4 ± 47.9 | 137.9 ± 45.77 | 0.859 |
Preoperative serum albumin levels (g/dl) | 47.023 ± 2.99 | 46.37 ± 3.37 | 0.433 |
Preoperative serum magnesium level (mmol/L) | 0.81 ± 0.07 | 0.85 ± 0.07 | 0.116 |
Postoperative serum magnesium ion level (mmol/L) | 0.8(0.77–0.82) | 0.81(0.8–0.85) | 0.286 |
The variation in serum magnesium ion levels before and after the surgical procedure (mmol/L) | −0.018 ± 0.03 | −0.033 ± 0.047 | 0.128 |
Intraoperative fluid volume infusion (ml) | 1000(1000–1250) | 1000(1000–1250) | 0.556 |
Intraoperative urine volume (ml) | 100(75–105) | 80(75–100) | 0.078 |
Remifentanil (mg) | 1.5(1.5–2) | 1.63(1.19–2.25) | 0.922 |
atropine (mg) | 0(0–0) | 0(0–0) | 0.321 |
Cuff pressure (mmHg) | |||
5 min after intubation | 24(24–24) | 24(22–24) | 0.088 |
30 min after intubation | 24(24–24) | 24(22–24) | 0.318 |
1 h after intubation | 24(24–24) | 24(22–24) | 0.505 |
90 min after intubation | 24(24–24) | 24(24–24) | 0.985 |