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Table 4 Operative and PO data of patients of the four groups

From: Preoperative oral melatonin can reduce preoperative anxiety and postoperative analgesia in a dose-dependent manner

Variables

Groups

P

M1

M2

Z

Operative time (min)

 Mean (±SD)

42.1±9.1

43.9±8.1

41.1±8.7

41.6±9.6

 P1

 

0.409

0.639

0.799

 P2

  

0.181

0.287

 P3

   

0.845

PO Hospital stay (h)

 Mean (±SD)

11.4±1.9

10.6±2

9.6±1.3

10±1.8

 P1

 

0.088

0.00002

0.0024

 P2

  

0.014

0.186

 P3

   

0.289

Satisfaction scores

 Very satisfying

6 (17.1%)

11 (31.4%)

14 (40%)

13 (37.2%)

 Satisfying

10 (28.6%)

12 (34.2%)

12 (34.2%)

11 (31.4%)

 Good

11 (31.4%)

7 (20%)

8 (22.9%)

9 (25.7%)

 Dissatisfying

8 (22.9%)

5 (14.4%)

1 (2.9%)

2 (5.7%)

 P1

0.009

 P4

 

0.687

  1. Data are presented as mean±SD, numbers, and percentages. p <0.05 indicates significant difference; p>0.05 indicates non-significant difference
  2. P1 Significance of difference versus group P, P2 Significance of difference versus group M1, P3 Significance of difference versus group M2, P4 Significance of variance between P, M1, and M2 groups according to one-way ANOVA test for parametric variables and Chi-square test with Yates correction for non-parametric numerical values
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