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Table 4 Primary feasibility outcomes presented as proportions and percentages

From: Quantitative results of SonoSpeech Cleft Pilot: a mixed-methods pilot randomised control trial of ultrasound visual biofeedback versus standard intervention for children with cleft palate ± cleft lip

Analysis

Articulation therapy

U-VBF therapy

%

Proportions

%

Proportions

Recruitment rate

40

8/20

55

11/20

Retention rate

100

8/8

90.9

10/11

Baseline PCC

75

6/8

80.8

9/11

Baseline CleftQ

87.5

7/8

100

11/11

Baseline ICS

100

8/8

100

11/11

Follow-up 1 PCC

75

6/8

90.9

10/11

Follow-up 1 CleftQ

100

8/8

90.9

10/11

Follow-up 1 ICS

100

8/8

90.9

10/11

Follow-up 2 PCC

87.5

7/8

80.8

9/11

Follow-up 2 Cleft Q

87.5

7/8

90.9

10/11

Follow-up 2 ICS

87.5

7/8

90.9

10/11

Follow-up 2 ESQ

100

8/8

100

11/11

Follow-up 2 Intervention acceptability questionnaire

87.5

7/8

90.9

10/11

Therapy session 1 PCC completed

100

8/8

81.8

9/11

Therapy session 2 PCC completed

75

6/8

90.9

10/11

Therapy session 3 PCC completed

100

8/8

100

11/11

Therapy session 4 PCC completed

100

8/8

100

11/11

Therapy session 5 PCC completed

87.5

7/8

80

8/10

Therapy session 6 PCC completed

75

6/8

80

8/10

Therapy sessions, reaching dose 100

100

48/48

98.4

63/64

Within-therapy session completed dose recording

87.5

42/48

96.9

62/64