Table 2 Comparison of surgical and anesthesia conditions between the two groups of patients
Variables | Total (n = 398) | Hypoxemia (n = 149) | Non-hypoxemia(n = 249) | p |
|---|---|---|---|---|
SpO2 upon entering OR(%) | 97.00 [96.00, 98.00] | 97.00 [96.00, 98.00] | 98.00 [96.00, 99.00] | 0.0052 |
HR (beats/min) | 78.50 [71.00, 88.00] | 80.00 [71.00, 87.00] | 78.00 [71.00, 88.00] | 0.7642 |
Respiratory rate | 18.00 [16.00, 20.00] | 19.00 [16.00, 20.00] | 18.00 [16.00, 20.00] | 0.6402 |
Propofol (mg) | 80.00 [70.00, 100.00] | 80.00 [70.00, 110.00] | 80.00 [70.00, 100.00] | 0.6762 |
Sufentanil (ug) | 25.00 [22.50, 30.00] | 25.00 [22.50, 30.00] | 25.00 [22.50, 30.00] | 0.9732 |
Remifentanil (ug) | 744.60 [554.88, 968.80] | 785.00 [602.00, 995.60] | 732.60 [534.30, 960.00] | 0.0522 |
cis-Atracurium (mg) | 13.00 [12.00, 15.00] | 14.00 [12.00, 15.00] | 13.00 [11.00, 15.00] | 0.3242 |
Intraoperative Fluid Volume (ml) | 400.00 [300.00, 500.00] | 400.00 [300.00, 500.00] | 350.00 [300.00, 500.00] | 0.1332 |
Intraoperative Blood Loss (ml) | 10.00 [5.00, 10.00] | 10.00 [5.00, 10.00] | 10.00 [5.00, 10.00] | 0.1762 |
Duration of Anesthesia (min) | 122.00 [97.00, 151.75] | 125.00 [101.00, 154.00] | 120.00 [96.00, 150.00] | 0.3512 |
Surgical Duration (min) | 79.50 [57.00, 107.00] | 81.00 [58.00, 109.00] | 79.00 [56.00, 104.00] | 0.3732 |
Duration of Single-Lung Ventilation (min) | 77.00 [57.25, 105.00] | 78.00 [65.00, 110.00] | 77.00 [55.00, 104.00] | 0.173 |
Surgical Position | 0.2941 | |||
Supine position | 14 (3.5) | 8 (5.4) | 6 (2.4) | |
Left Lateral Position | 226 (56.8) | 82 (55.0) | 144 (57.8) | |
Right lateral position | 158 (39.7) | 59 (39.6) | 99 (39.8) | |
Ventilation Mode | 1.0001 | |||
Single-lumen tracheal intubation | 2 (0.5) | 1 (0.7) | 1 (0.4) | |
Double-lumen tracheal intubation | 396 (99.5) | 148 (99.3) | 248 (99.6) | |
Surgical Site | 0.6921 | |||
Left | 172 (43.2) | 62 (41.6) | 110 (44.2) | |
Right | 226 (56.8) | 87 (58.4) | 139 (55.8) | |
Type of Surgery | 0.1091 | |||
Wedge Resection | 203 (51.0) | 73 (49.0) | 130 (52.2) | |
Segmentectomy | 74 (18.6) | 22 (14.8) | 52 (20.9) | |
Lobar Resection | 120 (30.2) | 53 (35.6) | 67 (26.9) | |
Pneumonectomy | 1 (0.3) | 1 (0.7) | 0 (0.0) | |
Pain at 30 min entering PACU | 2.00 [0.00, 3.00] | 2.00 [0.00, 3.00] | 2.00 [0.00, 3.00] | 0.0522 |
Immediate pain upon extubation | 1.00 [1.00, 2.00] | 2.00 [1.00, 2.00] | 1.00 [1.00, 2.00] | 0.5922 |
Nausea | 1.0001 | |||
Yes | 8 | 3 | 5 | |
No | 390 | 146 | 244 | |
Vomiting | 0.9981 | |||
Yes | 4 | 2 | 2 | |
No | 394 | 147 | 247 | |
Chills | 1.0001 | |||
Yes | 21 | 8 | 13 | |
No | 377 | 141 | 236 | |
Agitation | 1.0001 | |||
Yes | 11 | 4 | 7 | |
No | 387 | 145 | 242 | |
Delayed Awakening | <0.0011 | |||
Yes | 8 | 8 | 0 | |
No | 390 | 249 | 141 | |
Time to extubation (min) | 13.00 [10.00, 18.00] | 14.00 [10.00, 19.00] | 13.00 [10.00, 17.00] | 0.3092 |
Duration of PACU stay (min) | 69.0 (58.0, 79.0) | 80.0 (66.0, 98.0) | 69.50 (58.0, 79.75) | < 0.0012 |