Heart rate

(mean +/− sd)

Group A

Group B

Group C

P value with in

groups from base

line to 12 hrs

P value between

the groups

Baseline

124.83 ± 9.63

124.33 ± 10.21

124.73 ± 8.66

0.001

*0.001

Skin incision

126.27 ± 12.31

115.03 ± 14.26

137.33 ± 8.41

2 hrs after shifting to icu

133.33 ± 9.14

120.43 ± 13.63

141.90 ± 4.96

†0.001

4 hrs after shifting to icu

135.93 ± 7.72

121.10 ± 8.98

142.80 ± 4.21

6 hrs after shifting to icu

140.73 ± 10.53

120.63 ± 8.33

144.70 ± 5.63

‡0.001

12 hrs after shifting to icu

141.47 ± 10.27

120.77 ± 9.11

147.47 ± 6.74