Table 3 Shows the initial summary data in the included studies: means (sd).

From: Reliability of colour and hardness clinical examinations in detecting dentine caries severity: a systematic review and meta-analysis

Author

 

Yellow

Light brown

Dark brown

Black

Soft

Medium-hard (leathery)

Hard

Orhan 2008

CFU/ml

       

Bjorndal 1997

log10 (CFU)

  

2.70 (1.24)

2.97 (0.93)

 

2.59 (1.07)

3.23 (1.28)

Maltz 2002

log10 (CFU + 1)

4.50 (0)

4.07 (0.93)

4.25 (0.71)

 

4.17 (0.84)

  

Bonecker

CFU/ml  × 103

       

Lula 2011

log10 (CFU/mg)

4.77 (0.32)

2.29 (2.97)

2.66 (3.08)

 

4.49 (3.00)

2.50 (2.65)

0.00 (0)

Lynch 1994

Percentages

       

Beighton 1993

log10 (CFU)

4.60 (2.22)

3.50 (1.81)

3.40 (1.89)

6.00 (0.99)

6.80 (0.37)

4.30 (0.56)

1.80 (0.82)