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Table 1 Association of OPRM 118A>G with different variables

From: Ethnicity and OPRM variant independently predict pain perception and patient-controlled analgesia usage for post-operative pain

Variable

OPRM 118 genotypes

p value

 

AA

AG

GG

 

Age (years)

32.4 (4.7)

32.0 (4.8)

32.7 (5.4)

0.19

Height (cm)

157.7 (5.6)

157.5 (5.8)

157.6 (5.4)

0.88

Weight (kg)

70.2 (10.5)

70.9 (11.3)

72.4 (11.6)

0.11

BMI (kg/m2)

28.2 (4.1)

28.6 (4.4)

29.2 (4.5)

6.0 × 10-5

Duration of operation (min)

53.3 (16.3)

54.1 (15.9)

54.0 (15.0)

0.78

Morphine* (total)

4.0 (3.5)

6.0 (5.5)

7.0 (7.0)

1.7 × 10-5

100 × Morphine/kg bodyweight *

5.8 (5.7)

8.8 (8.2)

10.9 (10.3)

6.6 × 10-5

VAS score* (time averaged)

0.29 (0.29)

0.43 (0.36)

0.43 (0.36)

2.5 × 10-2

VAS score* (average of maximum)

1.0 (0.5)

2.0 (0.5)

2.0 (1.0)

0.19

  1. *variables where the median and semi-interquartile range were presented instead of the mean with the standard deviation.