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Aust Vet J 2013;91:131–136. DOI: 10.1111/avj.12034

Sedation of hyperthyroid cats with subcutaneous administration of a combination of alfaxalone and butorphanol

S Ramoo, LA Bradbury, GA Anderson and LA Abraham

The authors wish to make the following changes to Table 2 of their article for clarity of the 95% confidence intervals. The correct version is as follows:

Table 2. Heart rate (HR), respiratory rate (RR), systolic, diastolic and mean blood pressures (SBP, DPB and MBP, respectively) and sedation score at 0 (baseline), 15, 30 and 45 min after subcutaneous injection of alfaxalone (3 mg/kg) and butorphanol (0.2 mg/kg) combination in 20 hyperthyroid cats
 Time after injection (min)
0153045
  1. Data are expressed as mean ± standard deviation (SD), range, mean difference (Diff.) from baseline, 95% confidence interval (CI) of the difference from baseline and P value when compared with time zero.

HR (beats/min)    
Mean ± SD209.0 ± 31.8198.2 ± 36.4190.6 ± 46.1203.4 ± 40.2
Range134 to 260100 to 24096 to 280120 to 264
Diff. (95% CI) −10.8 (−34 to 13)−18.4 (−42 to 5)−5.6 (−29 to 18)
P value 0.550.160.89
RR (breaths/min)    
Mean ± SD50.8 ± 20.538.8 ± 18.733.0 ± 15.135.0 ± 11.1
Range24 to 9620 to 9216 to 6816 to 60
Diff. (95% CI) −12.0 (−19 to −4)−17.8 (−25 to −10)−15.8 (−23 to −8)
P value <0.001<0.001<0.001
SBP (mmHg)    
Mean ± SD167.7 ± 25.1144.6 ± 24.6134.1 ± 24.2152.9 ± 28.0
Range117 to 20896 to 18390 to 182115 to 214
Diff. (95% CI) −23.1 (−39 to −7)−33.6 (−50 to −17)−14.5 (−31 to 2)
P value 0.004<0.0010.096
DBP (mmHg)    
Mean ± SD120.6 ± 19.5101.6 ± 26.092.2 ± 24.4107.2 ± 31.2
Range89 to 16548 to 14058 to 16072 to 192
Diff. (95% CI) −19 (−34 to −4)−28.4 (−43 to −14)−13.3 (−28 to 1)
P value 0.008<0.0010.084
MBP (mmHg)    
Mean ± SD142.7 ± 21.9119.8 ± 26.0108.9 ± 23.1126.2 ± 30.6
Range99 to 19369 to 15869 to 15892 to 200
Diff. (95% CI) −22.9 (−39 to −7)−33.8 (−49 to −18)−16.4 (−32 to −1)
P value 0.002<0.0010.037
Sedation score    
Mean ± SD0 ± 07.1 ± 4.410.5 ± 4.19.3 ± 3.8
Median 6.5910
Range0 to 02 to 175 to 194 to 18
P value <0.0001<0.0001<0.0001