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Table 4 Patient characteristics and the incidence of RNMB

From: The association between residual neuromuscular blockade (RNMB) and critical respiratory events: a prospective cohort study

Variables

RNMB (TOF ratio < 0.90), n = 16

No RNMB (TOF ratio ≥ 0.90), n = 14

P value

Age, n (%)

18–50 vs. ≥ 51 years

11 (50%) vs. 5 (62.5%)

11 (50%) vs. 3 (37.5%)

0.0544

Gender, n (%)

 Male/female

6 (35.3%)/10 (76.9%)

11 (64.7%)/ 3 (23.1%)

0.033

ASA-PS class, n (%)

 I

7 (43.8%)

3 (21.4%)

 

 II

9 (56.3%)

8 (57.1%)

0.103

 III

0 (0.0%)

3 (21.4%)

 

BMI (kg/m2), mean ± SD

30.82 ± 5.29

28.53 ± 6.41

0.294

Neuromuscular monitoring before extubation, n (%)

 Yes/no

2 (22.2%)/14 (66.7%)

7 (77.8%)/7 (33.3%)

0.046

Duration of the surgery, < 90 min vs. ≥ 90 min

13 (81.8%) vs. 3 (21.4%)

3 (18.8%) vs. 11 (78.6%)

0.001

SpO2, upon arrival in the PACU, median (IQR)

91 (90–93)

96 (91–100)

0.034

RR (breaths/min), upon arrival in the PACU, median (IQR)

22 (19–25)

20 (16–21)

0.025

  1. n (%) number (percentage), IQR interquartile range, ± SD ± standard deviation, RNMB residual neuromuscular blockade, ASA-PS class American Society of Anaesthesiologists Physical Status class, BMI body mass index, kg/m2 kilogramme per metre square, SpO2 oxygen saturation, RR respiratory rate, min minutes, TOF train-of-four, PACU post-anaesthesia care unit