Table 1 Clinical characteristics and baseline ultrasound indicators between patients with and without residual neuromuscular blockade

Female (%)

58.8

73.1

0.131

Age^a

36.4 ± 11.5

41.4 ± 10.2

0.065

ASA I (%)

73.5

65.9

0.616

Body mass index(kg/m^2)

22.95 ± 3.82

23.58 ± 3.01

0.429

Fentanyl dose^a (μg)

224.3 ± 93.8

212.8 ± 32.2

0.932

Rocuronium/weight^a(mg/kg)

0.71 ± 0.15

0.74 ± 0.13

0.239

Anaesthesia time^a(minute)

87.6 ± 30.9

73.2 ± 18.9

0.042

Pre-Thickening fraction^a

0.50 ± 0.27

0.53 ± 0.23

0.252

Pre-Diaphragm excursion (QB)

1.53 ± 0.47

1.45 ± 0.43

0.466

Pre-Diaphragm excursion (DB)

4.88 ± 1.21

4.70 ± 1.14

0.518

Pre-Diaphragm excursion fraction

0.32 ± 0.10

0.32 ± 0.09

0.821

Pre-Diaphragm excursion difference

3.35 ± 1.11

3.25 ± 1.04

0.684

O/AAS-extubation^a

1.2 ± 0.4

1.5 ± 0.5

0.155

TOFr at extubation

95.8 ± 7.5

53.4 ± 21.9

< 0.001

Thickening fraction^a

0.44 ± 0.22

0.34 ± 0.18

0.039

Diaphragm excursion (QB)

1.48 ± 0.56

1.46 ± 0.52

0.868

Diaphragm excursion (DB)

4.11 ± 0.97

2.89 ± 1.37

< 0.001

Diaphragm excursion fraction

0.36 ± 0.12

0.56 ± 0.19

< 0.001

Diaphragm excursion difference

2.63 ± 0.82

1.43 ± 1.10

< 0.001