Intra-operative time
(minutes)
Mean heart rate Significance
(P)
Group D
(n=31)
Group P
(n=31)
Baseline 95.3 ± 3.1 95.7 ± 2.2 0.537
5 90.4 ± 2.6 93.4 ± 2.6 <0.0001*
10 78.5 ± 3.1 84.1 ± 2.5 <0.0001*
15 71.7 ± 2.9 78.5 ± 3.1 <0.0001*
20 69.8 ± 2.4 69.9 ± 3.5 0.933
25 64.2 ± 3.1 64.3 ± 3.3 0.968
30 60.9 ± 2.1 71.0 ± 2.5 <0.0001*
40 61.1 ± 2.6 70.1 ± 2.0 <0.0001*
50 61.2 ± 2.2 70.2 ± 2.2 <0.0001*
60 61.0 ± 2.4 70.2 ± 2.3 <0.0001*
70 61.2 ± 2.3 66.1 ± 1.9 <0.0001*
80 61.1 ± 2.2 66.5 ± 2.8 <0.0001*
[P]: P value for Mann Whitney test P: P value for t-test *significant at P ≤ 0.05
Table 5: Intra-operative assessment of mean heart rate among the studied groups.