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Table 2 PPI between the studied groups

From: Effect of perioperative magnesium sulfate and labetalol infusion on peripheral perfusion and postoperative pain in nasal surgery: a randomized controlled trial

PPI

Studied groups

Mean difference

95% (CI)

P value

Magnesium sulfate group

(n = 25)

Labetalol group

(n = 25)

At Basal

5.3 ± 0.3

5.1 ± 0.3

0.1 (-0.04 to 0.3)

0.12

At intubation

5.1 ± 0.5

4.9 ± 0.3

0.2 ( -0.05 to 0.4)

0.106

At 5 min

5 ± 0.3

4.8 ± 0.3

0.2 (-0.02 to0.4)

0.072

At 10 min

5 ± 0.4

4.4 ± 0.3

0.5 (0.3 -0.8)

 < 0.001

At 20 min

4.9 ± 0.3

4 ± 0.4

0.9 (0.7 – 1.1)

 < 0.001

At 30 min

5 ± 0.4

3.8 ± 0.3

1.2 (0.9- 1.4)

 < 0.001

At 40 min

4.8 ± 0.3

3.6 ± 0.3

1.3 (1.1- 1.5)

 < 0.001

At 50 min

4.6 ± 0.4

3.3 ± 0.3

1.3 (1.1- 1.5)

 < 0.001

At 60 min

4.4 ± 0.3

3.1 ± 0.4

1.3 (1.1 – 1.5)

 < 0.001

At 70 min

4.2 ± 0.3

2.8 ± 0.4

1.4 (1.1- 1.6)

 < 0.001

At 80 min

4.1 ± 0.3

2.6 ± 0.4

1.5 (1.2 -1.7)

 < 0.001

At 90 min

4 ± 0.4

2.5 ± 0.5

1.6 (1.3–1.8)

 < 0.001

At 100 min

3.9 ± 0.3

2.4 ± 0.5

1.5 (1.2–1.7)

 < 0.001

At 110 min

3.8 ± 0.3

2.5 ± 0.4

1.3 (1.1–1.5)

 < 0.001

  1. PPI Peripheral Prefusion Index Data were expressed as mean ± SD, P < 0.05was significant. CI Confidence Interval