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Table 2 Incidence and severity of sore throat and hoarseness in the first 24 h after thoracolumbar spinal surgery (%)

From: Effect of intratracheal dexmedetomidine combined with ropivacaine on postoperative sore throat: a prospective randomised double-blinded controlled trial

  Group S
(n = 50)
Group D
(n = 50)
Group R
(n = 50)
Group DR
(n = 50)
Sore throat (0/1/2/3)
 2 h 44 (28/10/10/2) 40(30/11/8/1) 34(33/10/6/1) 16(42/8/0/0) *#
 24 h 28 (36/10/4/0) 22(39/8/3/0) 14(43/5/2/0) 10(45/5/0/0) †
Hoarseness (0/1/2/3)
 2 h 12(44/4/2/0) 10(45/3/2/0) 10(45/3/2/0) 4(48/2/0/0)
 24 h 4(48/1/1/0) 2(49/1/0/0) 0(50/0/0/0) 0(50/0/0/0)
  1. The incidence and severity of sore throat was significantly lower in Group DR than in Group S, Group D and Group R (*P < 0.05 versus Group S and #P < 0.01 versus Group D and Group R) at 2 h after the operation, but it was only significantly lower in Group DR than in Group S at 24 h after the operation (†P < 0.05)