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Cough Group A Group B Intergroup Significance Intergroup
    Mean ± SD Mean± SD p value   Significance
Immediate Postoperative 2.08 ± 1.14 1.14 ± 1.31 0.16 Not significant
1 hr 5.51 ± 1.50 5.05  ± 0.99 0.126 Not significant
2 hr 5.08 ± 1.51 4.76  ± 1.09 0.294 Not significant
3 hr 4.84 ± 1.44 4.03 ± 1.25 0.012 Significant
4 hr 4.41 ± 1.49 3.62 ± 1.27 0.018 Significant
5 hr 3.89 ± 1.35 3.16 ± 1.48 0.03 Significant 
6 hr 3.89 ± 1.41 2.65  ± 1.39 < 0.001 Significant
7 hr 3.84 ± 1.45 2.41 ± 1.18 < 0.001 Significant
8 hr 3.51 ± 1.30 2.08  ± 1.36 < 0.001 Significant
9 hr 3.46 ± 1.62 2.11 ± 1.35 < 0.001 Significant
10 hr 3.46 ± 1.53 2.08 ± 1.34 < 0.001 Significant
11 hr 3.19 ± 1.30 2.11 ± 1.10 < 0.001 Significant
12 hr 3.19 ± 1.39 2.08 ± 1.16  < 0.001 Significant
13 hr 3.22 ± 1.47 3.89 ± 1.15 0.725 Not significant
14 hr 3.32 ± 1.33 1.76 ± 1.11 < 0.001 Significant
15 hr 3.49 ± 1.64 1.68 ± 0.97 < 0.001 Significant
16 hr 3.35 ± 1.37 1.76  ± 1.21 < 0.001 Significant
17 hr 3.54 ± 1.28 1.81 ± 1.12 < 0.001 Significant
18 hr 3.14 ± 1.27 1.43  ± 1.11 < 0.001 Significant
19 hr 3.03 ± 1.28 1.43 ± 0.92 < 0.001 Significant
20 hr 3.19 ± 1.66 1.27 ± 0.69 < 0.001 Significant
21 hr 2.84 ± 1.51 1.49  ± 1.14 < 0.001 Significant

Table 3: VAS on Coughing