Table 2 Primary placement and repositioning

Successful primary placement

proportions (95% CI)

10/12

83% (55–95%)

9/12

75% (47–91%)

 evaluated by spread

11

10

 evaluated by loss of cold sensation

11

9

Successful repositioning (primary outcome)

proportions (95% CI)

10/10

100% (72–100%)

6/9

67% (35–88%)

 evaluated by spread

10

8

 evaluated by loss of cold sensation

10

6