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Table 6 VAS pain scores at any point time after the surgery

From: Effects of intravenous infusion of lidocaine and dexmedetomidine on inhibiting cough during the tracheal extubation period after thyroid surgery

Variables

LIDO group

DEX group

CON group

P value

(n = 60)

(n = 60)

(n = 60)

VAS scores

 At 2 h

2.1 ± 0.4

1.9 ± 0.3

3.6 ± 0.7*

0.000

 At 4 h

2.4 ± 0.5

2.1 ± 0.6

3.9 ± 0.8*

0.000

 At 8 h

2.6 ± 0.3

2.3 ± 0.5

5.4 ± 0.6*

0.000

 At 12 h

2.3 ± 0.5

2.2 ± 0.6

5.7 ± 0.8*

0.000

 At 24 h

2.0 ± 0.3

2.0 ± 0.5

4.1 ± 0.5*

0.000

  1. Categorical variables were presented as the mean ± standard deviation for all of the patients, with 60 cases in each group. LIDO group, iv. lidocaine; DEX group, iv. dexmedetomidine; CON group, iv. equal volume normal saline. Compared with the LIDO group and the DEX group, VAS pain scores were higher in the CON group (*P < 0.01)