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Table 1 Demographic data for control group and those receiving a dose of Sugammadex following primary reversal with neostigmine

From: Risk factors for administration of additional neuromuscular block reversal in adults undergoing general anaesthesia: a single centre retrospective case-control study

 

Control Group

Neostigmine Only

n = 49,820

n, (%)

Neostigmine + Sugammadex

n = 1660

n, (%)

P Value

Age (years) (median [IQR])

56.40 [42.20, 67.61]

61.9 [50.9, 71.2]

< 0.001

Body mass index (median [IQR])

28.70 [24.55, 33.23]

30.0 [25.84, 35.4]

< 0.001

ASA Physical Status

  

< 0.001

ASA 1 or 2

18,375 (36.9)

272 (16.4)

 

ASA 3

27,322 (54.8)

1088 (65.5)

 

ASA 4

4123 (8.3)

300 (18.1)

 

Inpatient

11,899 (23.9)

564 (34.0)

< 0.001

Emergency case status

6721 (13.5)

395 (23.8)

< 0.001

Female

24,613 (49.4)

777 (46.8)

0.042

Neuromuscular disease

396 (0.8)

22 (1.3)

0.026

After hours cases

2209 (4.4)

135 (8.1)

< 0.001

End-stage renal disease

445 (0.9)

38 (2.3)

< 0.001

Race

  

< 0.001

African American

7640 (15.3)

378 (22.8)

 

Other

3349 (6.7)

84 (5.1)

 

Caucasian

38,831 (77.9)

1198 (72.2)

 

Ethnicity Hispanic

2319 (4.7)

55 (3.3)

 

Case duration (min) (median [IQR])

175.00 [126.00, 243.00]

165.5[115,249]

0.002

Surgical Procedure Class

  

< 0.001

Abdominal/General

12,544 (25.2)

579 (34.9)

 

Burn surgery

454 (0.9)

15 (0.9)

 

Cardiac surgery

123 (0.2)

7 (0.4)

 

ENT surgery

7053 (14.2)

148 (8.9)

 

Neurosurgery

2033 (4.1)

68 (4.1)

 

Non-operating room anesthesia

1515 (3.0)

58 (3.5)

 

Orthopaedic surgery

12,717 (25.5)

282 (17.0)

 

Plastic surgery

394 (0.8)

99 (6.0)

 

Thoracic surgery

4342 (8.7)

79 (4.8)

 

Urogynecologic surgery

1248 (2.5)

251 (15.1)

 

Vascular surgery

6194 (12.4)

63 (3.8)

 

Other surgical procedures

1203 (2.4)

11 (0.7)

 

Qualitative train of four (TOF)

  

< 0.001

TOF = 0

7670 (15.4)

161 (9.7)

 

TOF = 1

41,887 (84.1)

534 (32.2)

 

TOF = 2

7933 (15.9)

390 (23.5)

 

TOF = 3

45,676 (91.7)

120 (7.2)

 

TOF = 4

4144 (8.3)

455 (27.4)

 

Rocuronium redosed

35,036 (70.3)

1289 (77.7)

< 0.001

Rocuronium dose > 0.43 mg/kg/hr

21,901 (44.0)

984 (59.3)

< 0.001

Primary reversal with neostigmine < 48 min after last dose of rocuronium

22,328 (44.8)

1024 (61.7)

< 0.001

Neostigmine dose (mg)

(median, [IQR])

4.00 [4.00, 5.00]

5.0 [4.0, 5.0]

< 0.001

Time between neostigmine and extubation (min) (median, [IQR])

10.00 [7.00, 16.00]

13 [9, 19]

< 0.001

  1. ASA, American Society of Anesthesiologists; IQR, interquartile range