Microcapsule number

Injection volume (mL)

Median PMQ score per volume group

Median PMQ score per microcapsule number group

p

300

0.5

1

1

Reference

1.0

1

2.0

1

600

0.5

2

2

0.082*

1.0

1

2.0

2

1200

0.5

3

4

<0.0001†

1.0

4

2.0

4