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Table 4 Hemodynamic variables

From: Use of volume controlled vs. pressure controlled volume guaranteed ventilation in elderly patients undergoing laparoscopic surgery with laryngeal mask airway

Variables

Group

T1

T2

T3

T4

Mean diff [95% CI], P1

Mean diff [95% CI], P2

Mean diff [95% CI], P3

MAP (mmHg)

VCV

88 ± 9

96 ± 8

96 ± 11

99 ± 8

7.5 [2.5 to 12.6], 0.0013

7.8 [2.8 to 12.9], 0.0008

11.3 [6.2 to 16.4], < 0.0001

PCV-VG

87 ± 8

95 ± 10

95 ± 9

96 ± 8

7.8 [2.8 to 12.8], 0.0007

8.3 [3.2 to 13.3], 0.0003

9.2 [4.2 to 14.3], < 0.0001

Mean diff [95% CI]

1.4 [−3.7 to 6.6]

1.2 [− 3.9 to 6.3]

1.0 [−4.2 to 6.1]

3.5 [−1.6 to 8.6]

   

P

0.9312

0.9648

0.9823

0.3084

   

HR (beat/min)

VCV

78 ± 9

78 ± 11

77 ± 11

75 ± 10

0.4 [−5.8 to 6.7], >  0.9999

−1.5 [−7.8 to 4.8], >  0.9999

−2.7 [−9.0 to 3.6], 0.9166

PCV-VG

77 ± 12

76 ± 13

77 ± 10

79 ± 11

0.9 [−7.1 to 5.3], >  0.9999

−0.3 [−6.5 to 5.9], >  0.9999

− 2.0 [−4.2 to 8.2], >  0.9999

Mean diff [95% CI]

0.18 [− 6.2 to 6.6]

1.5 [−4.9 to 7.9]

−1.0 [− 7.5 to 5.4]

− 4.5 [− 10.9 to 1.9]

   

P

>  0.9999

>  0.9999

>  0.9999

0.3157

   
  1. Data are presented as mean ± SD. MAP mean arterial pressure, HR heart rate, VCV volume-controlled ventilation, PCV-VG pressure-controlled ventilation-volume guaranteed, Mean diff Mean difference, CI confidence interval
  2. P, VCV vs PCV-VG; P1, T2 vs T1; P2, T3 vs T1; P3, T4 vs T1