Control

Bicarbonate

Before

Six months

Before

Six months

Median (IQR)

16.7 (16.7)A

2.5 (1.4)B

14.3 (10.7)A

1.3 (1.1)B

Mean (SD)

19.3 (11.9)A

2.5 (1.2)B

15.5 (8.3)A

1.6 (1.0)B

P-value (Mann-Whitney)

<0.0001

<0.0001

Chlorhexidine

BIC + CLX

Before

Six months

Before

Six months

Median (IQR)

20.3 (15.1)A

1.3 (1.6)B

8.3 (8.3)A

0.9 (0.7)B

Mean (SD)

21.7 (16.3)A

1.5 (1.8)B

12.3 (11.9)A

1.1 (1.0)B

P-value (Mann-Whitney)

<0.0001

<0.0001