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Table 1 Demographic data of the two studied groups

From: Caudal epidural steroid injection ultrasound-guided versus fluoroscopy-guided in treatment of refractory lumbar disc prolapse with radiculopathy

Variable

Group I (US) (n = 59)

Group II (FL) (n = 62)

t

p

Age (years)

 Mean ± SD

42.53 ± 10.30

42.69 ± 10.48

0.09

0.93

 Median

42

43

 

NS

 Range

23–65

22–62

  

BMI (kg/m2)

 Mean ± SD

30.63 ± 4.02

30.45 ± 3.92

0.24

0.81

 Median

30.5

30

 

NS

 Range

22–39

23.8–39.4

  

Variable

No

%

No

%

χ2

p

Age group

 < 40 years

25

42.4

21

33.9

0.93

0.34

 ≥ 40 years

34

57.6

41

66.1

 

NS

BMI

 Normal (18–25)

4

6.8

4

6.5

  

 Over weight > 25–30)

24

40.7

28

45.2

0.25

0.88

 Obese (> 30)

31

52.5

30

48.4

 

NS

Sex

 Female

34

57.6

36

58.1

0.002

0.96

 Male

25

42.4

26

41.9

 

NS

  1. SD standard deviation, t independent t test, χ2 chi-squared test, NS non-significant (p > 0.05)