Table 1 Comparison of patient and case characteristics in the Post-Anesthesia Care Unit (PACU) between desaturation and no-desaturation groups. Data are expressed as median (q1-q3)
From: Post-anesthesia care unit desaturation in adult deep extubation patients
Characteristics | Total (n = 300) | PACU Desaturations | P-value | |
|---|---|---|---|---|
Yes (n = 13, 4.3%) | No (n = 287, 95.7%) | |||
Age, median (q1–q3) | 50.0 (31.0–61.5) | 38.0 (29.0–55.0) | 50.0 (31.5–62.0) | 0.1569 |
Male, n (%) | 139 (46.3%) | 6 (46.15) | 133 (46.34) | 0.9894 |
Body mass index in kg/m2, median (q1-q3) | 26.4 (23.1–29.8) | 28.0 (25.3–32.7) | 25.9 (23.0–29.8) | 0.1755 |
Surgery class | ||||
Ear | 53 (17.7) | 3 (23.08) | 50 (17.42) | 0.0890 |
Eye | 15 (5.0) | 0 (0.0) | 15 (5.23) | |
Neck | 50 (16.7) | 0 (0.0) | 50 (17.42) | |
Nose | 87 (29.0) | 8 (61.54) | 79 (27.53) | |
Throat | 73 (24.3) | 1 (7.69) | 72 (25.09) | |
Thyroid | 22 (7.3) | 1 (7.69) | 21 (7.32) | |
ASA | ||||
1 | 65 (21.7) | 4 (30.77) | 61 (21.25) | 0.7288 |
2 | 208 (69.3) | 8 (61.54) | 200 (69.69) | |
3 | 27 (9.0) | 1 (7.69) | 26 (9.06) | |
Mallampati's class (n = 295) | ||||
1 | 114 (38.6) | 4 (30.77) | 110 (39.01) | 0.7576 |
2 | 142 (48.1) | 8 (61.54) | 134 (47.52) | |
3 | 36 (12.2) | 1 (7.69) | 35 (12.41) | |
4 | 3 (1.0) | 0 (0.0) | 3 (1.06) | |
1 (0.3) | 0 (0.0) | 1 (0.35) | 1.0000 | |
Respiratory tract pathology history | ||||
None | 179 (59.7) | 3 (23.08) | 176 (61.32) | 0.0082* |
Asthma | 57 (19.0) | 6 (46.15) | 51 (17.77) | 0.0210* |
Chronic cough | 1 (0.3) | 0 (0.0) | 1 (0.35) | 1.0000 |
OSA | 29 (9.7) | 2 (15.38) | 27 (9.41) | 0.3636 |
Snoring | 33 (11.0) | 2 (15.38) | 31 (10.80) | 0.6422 |
Recent respiratory tract infection within past 4 weeks | 2 (0.7) | 1 (7.69) | 1 (0.35) | 0.0849 |
COPD | 10 (3.3) | 2 (15.38) | 8 (2.79) | 0.0642 |
Current smoker | 26 (8.7) | 2 (15.38) | 24 (8.36) | 0.3129 |
Cormack and Lehane's grade (n = 298) | ||||
1 | 245 (82.2) | 11 (84.62) | 234 (82.11) | 1.0000 |
2 | 48 (16.1) | 2 (15.38) | 46 (16.14) | |
3 | 4 (1.3) | 0 (0.0) | 4 (1.40) | |
4 | 1 (0.3) | 0 (0.0) | 1 (0.35) | |
Difficulty intubation | 0 (0.0) | 0 (0.0) | 0 (0.0) | |
Comorbidity | ||||
None | 220 (73.3) | 9 (69.23) | 211 (73.52) | 0.7516 |
Diabetes | 25 (8.3) | 1 (7.69) | 24 (8.36) | 1.0000 |
GI obstruction | 0 (0.0) | 0 (0.0) | 0 (0.0) | |
Hiatal Hernia | 2 (0.7) | 0 (0.0) | 2 (0.70) | 1.0000 |
GERD | 63 (21.0) | 4 (30.77) | 59 (20.56) | 0.4830 |
Laryngoscopy device used | ||||
Glidescope | 51 (17.0) | 2 (15.38) | 49 (17.07) | 1.0000 |
MAC | 236 (78.7) | 11 (84.62) | 225 (78.40) | 0.7421 |
Miller | 12 (4.0) | 0 (0.0) | 12 (4.18) | 1.0000 |
Other | 0 (0.0) | 0 (0.0) | 0 (0.0) | |
Number of direct laryngoscopy attempts (n = 293) | ||||
1 | 277 (94.5) | 13 (100.00) | 264 (94.29) | 1.0000 |
2 | 13 (4.4) | 0 (0.0) | 13 (4.64) | |
3 | 3 (1.0) | 0 (0.0) | 3 (1.07) | |
Phase 1 PACU in min, median (q1–q3), n = 269 | 70 (58–88) | 75 (59–118) | 70 (58–87) | 0.3253 |
Phase 2 PACU in min, median (q1–q3), n = 222 | 74 (58–101) | 59.0 (48.3–101.0) | 74.5 (58.3–100.8) | 0.3549 |