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Table 4 CO Changes During Laparoscopy

From: Effects of different doses of magnesium sulfate on pneumoperitoneum-related hemodynamic changes in patients undergoing gastrointestinal laparoscopy: a randomized, double-blind, controlled trial

 

T1

T2

T3

T4

T5

T6

T7

P0 value

Group S

3.6 ± 0.5

3.3 ± 0.5

3.3 ± 0.5

3.5 ± 0.8

3.5 ± 0.9

3.9 ± 0.9

4.8 ± 1.1

<  0.001

Group L

3.7 ± 0.5

3.4 ± 0.4

3.4 ± 0.4

3.6 ± 0.7

3.7 ± 0.7

4.0 ± 0.7

4.8 ± 0.9

Group H

3.7 ± 0.5

3.6 ± 0.6

3.6 ± 0.6

3.6 ± 0.7

3.8 ± 0.9

4.0 ± 0.7

4.9 ± 0.9

P1

 

0.501

0.400

0.549

0.464

0.921

0.934

 

95% CI

−0.4~ 0.2

− 0.4 ~ 0.3

−0.4~ 0.2

− 0.6 ~ 0.3

−0.7 ~ 0.3

− 0.5~ 0.4

−0.5 ~ 0.6

P2

 

0.045

0.049

0.673

0.231

0.752

0.777

95% CI

−0.4~ 0.2

− 0.6 ~ 0.1

− 0.5~ 0.1

−0.5 ~ 0.4

− 0.8 ~ 0.2

−0.6 ~ 0.4

− 0.7 ~ 0.5

P3

 

0.188

0.259

0.859

0.638

0.828

0.715

95% CI

−0.3~ 0.3

− 0.5 ~ 0.1

− 0.5~ 0.2

− 0.4 ~ 0.5

−0.6 ~ 0.4

− 0.5~ 0.4

−0.7~ 0.5

  1. Values were expressed as mean ± SD. P0:difference within group variation. P1: significance of difference between group S and group L; P2: significance of difference between group S and group H; P3: significance of difference between group L and group H