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Table 1 Study-Order sequence assignment matrix

From: Comparison of a novel, endoscopic chest tube insertion technique versus the standard, open technique performed by novice users in a human cadaver model: a randomized, crossover, assessor-blinded study

 

Subject

Method

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

(10)

(11)

(12)

(13)

(14)

(15)

(16)

R

4

5

6

1

2

3

4

5

6

1

2

3

4

5

6

1

S

5

6

1

2

3

4

5

6

1

2

3

4

5

6

1

2

R

6

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

S

1

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

R

2

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

S

3

4

5

6

1

2

3

4

5

6

1

2

3

4

5

6

  1. R Reactor technique, S Standard technique; (Numbers) represent individual study participants; Numbers below each labelled study participant in each column represent the order of chest tube insertion (1 = first, 6 = sixth)
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Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine

ISSN: 1757-7241