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Home All issues Volume 27 / No 4 (2021) J Oral Med Oral Surg, 27 4 (2021) 55 Full HTML
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Table I

Inter group comparison of Onset, duration, total amount/dose used, duration of surgery, number of injections and depth of anesthesia using VAS scale.

      95% confidence interval for mean
  Groups Mean Std. deviation Std. error Lower bound Upper bound Minimum Maximum F value P value of one way ANOVA
Onset of analgesia (sec) 1 44.20 5.450 0.862 42.46 45.94 34 55    
2 102.60 9.803 1.550 99.46 105.74 76 120 470.702 0.000**
3 246.65 51.403 8.128 230.21 263.09 27 301    
Duration of analgesia (min) 1 205.20 28.399 4.490 196.12 214.28 167 271    
2 222.43 61.369 9.703 202.80 242.05 154 456 110.759 0.000**
3 100.28 12.770 2.019 96.19 104.36 79 132    
Total amount of dose used 1 2.20 0.608 0.096 2.01 2.39 2 4    
2 2.35 0.770 0.122 2.10 2.60 2 4 2.079 0.130#
3 2.55 0.904 0.143 2.26 2.84 2 4    
Duration of surgery (min) 1 15.10 4.460 0.705 13.67 16.53 5 26    
2 18.18 6.201 0.981 16.19 20.16 9 29 2.869 0.061#
3 21.25 18.361 2.903 15.38 27.12 10 131    
Number of injections required 1 1.10 0.304 0.048 1.00 1.20 1 2    
2 1.18 0.385 0.061 1.05 1.30 1 2 2.079 0.130#
3 1.28 0.452 0.071 1.13 1.42 1 2    
VAS 1 3.50 0.480 0.076 3.28 3.72 2 5    
2 3.73 0.599 0.095 3.53 3.92 2 4 6.452 0.002**
3 3.98 0.679 0.107 3.82 4.13 2 5    

* statistically significant difference (p < 0.05).

**statistically highly significant difference (p < 0.01).

# non significant difference (p > 0.05).

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