La radiologia medica

, Volume 123, Issue 5, pp 367–368 | Cite as

Correction to: Learning curves of two different techniques for the intra-articular injection of the knee joint under fluoroscopic guidance

  • Paolo Simoni
  • Olivier Malaise
  • Mounia El Hachemi
  • Angelo Tromba
  • Grammatina Boitsios
Correction
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Correction to: La radiologia medica  https://doi.org/10.1007/s11547-017-0847-2

The published version of this article contained a mistake. In Table 1 of the original article, the numbers of successful injections and failed injections were not correct. The correct Table 1 should read as given below:
Table 1

Comparison between supine and lateral techniques

Variable

Overall (n = 177)

Supine technique (n = 101)

Lateral technique (n = 76)

p value

Operator

   

0.92

 Operator 1

56 (31.6)

33 (32.7)

23 (30.3)

 

 Operator 2

63 (35.6)

36 (35.6)

27 (35.5)

 

 Operator 3

58 (32.8)

32 (31.7)

26 (34.2)

 

Sex

    

 Female

72 (40.7)

40 (39.6)

32 (42.1)

0.74

 Male

105 (59.3)

61 (60.4)

44 (57.9)

 

Age (years)

45.2 ± 15.0

45.6 ± 14.7

44.6 ± 15.5

0.65

Weight (kg)

77.9 ± 14.8

78.5 ± 13.6

76.9 ± 16.4

0.48

Height (cm)

172.1 ± 9.76

172.5 ± 9.06

171.5 ± 10.7

0.50

BMI (kg/m2)

26.3 ± 4.48

26.4 ± 4.10

26.1 ± 4.96

0.69

Injection

   

0.027

 Successful

151 (85.3)

81 (80.2)

70 (92.1)

 

 Failed

26 (14.7)

20 (19.8)

6 (7.9)

 

NSAID

   

0.50

 Yes

150 (84.8)

84 (83.2)

66 (86.8)

 

 No

27 (15.3)

17 (16.8)

10 (13.2)

 

Previous trauma or surgery

   

0.081

 No

109 (61.9)

57 (56.4)

52 (69.3)

 

 Yes

67 (38.1)

44 (43.6)

23 (30.7)

 

VAS before injection

2.01 ± 2.55

2.23 ± 2.55

1.71 ± 2.54

0.18

VAS injection

4.10 ± 2.83

4.36 ± 2.68

3.76 ± 3.00

0.16

VAS difference

2.10 ± 2.63

2.13 ± 2.31

2.05 ± 3.03

0.85

(p value)*

(< 0.0001)

(< 0.0001)

(< 0.0001)

 

Fluoroscopy (s)

7.06 ± 4.88

7.58 ± 5.26

6.37 ± 4.25

0.10

Extravasation

   

<0.0001

 No

95 (53.7)

34 (33.7)

61 (80.3)

 

 Yes

82 (46.3)

67 (66.3)

15 (19.7)

 

Statistically significant values (p < 0.05) are in bold

* Student’s t test for paired samples

Copyright information

© Italian Society of Medical Radiology 2018

Authors and Affiliations

  • Paolo Simoni
    • 1
    • 3
  • Olivier Malaise
    • 3
  • Mounia El Hachemi
    • 2
  • Angelo Tromba
    • 2
  • Grammatina Boitsios
    • 1
  1. 1.“Reine Fabiola” Children’s University Hospital, Université Libre de Bruxelles (ULB)BrusselsBelgium
  2. 2.Radiology DepartmentCHU de LiègeLiègeBelgium
  3. 3.Rheumatology DepartmentCHU de LiègeLiègeBelgium

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