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Table 2 General characteristics of patients. Categorical data were compared using χ2 tests or Fisher’s exact test. There was no statistically significant difference in two group

From: Comparison of freehand technique and a novel laser-guiding navigation system in femoral neck-cannulated screw fixation: a randomized controlled trial

Characteristics

Laser group (n = 15)

FH group (n = 15)

Fisher’s /χ2

P value

Male

10 (66.7)

10 (66.7)

——

——

Female

5 (33.3)

5 (33.3)

  

Age

57.73 (4.71)

58.6 (6.72)

0.41

0.68

Cause of injuries

 Traffic injuries

6 (40)

7 (46.67)

Fisher’s exact test

0.99

 Fall injury

7 (46.67)

7 (46.67)

  

 Other

2 (13.33)

1 (6.67)

  

AO classification

 B1

5 (33.33)

5 (33.33)

Fisher’s exact test

0.72

 B2

8 (53.33)

6 (40)

  

 B3

2 (13.33)

4 (26.67)

  

Follow-up(month)

12.33 (1.68)

11.93 (2.05)

-0.58

0.56