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. 2012 Dec 28;12:1122. doi: 10.1186/1471-2458-12-1122

Table 6.

Descriptive data for caries and each quintile of deprivation for white spot lesion and caries into dentine

Quintile of deprivation
Clinical scores
 
Photographic scores
 
 
Newcastle
Manchester
Mann–Whitney U Test
Newcastle
Manchester
Mann–Whitney U Test
  N Mean D1-6MFT white spot lesion (SD) N Mean D1-6MFT white spot lesion (SD)   N Mean D1-6MFT white spot lesion (SD) N Mean D1-6MFT white spot lesion (SD)  
1
183
1.89 (2.38)
173
2.54 (2.87)
P < 0.05
183
1.50 (2.27)
173
1.72 (2.21)
P < 0.05
2
197
2.34 (2.41)
160
3.56 (3.16)
P < 0.001
197
1.85(2.36)
160
2.71 (2.79)
P < 0.001
3
213
3.25 (3.00)
148
4.41 (3.51)
P < 0.05
213
2.67 (2.78)
148
3.37 (2.99)
P < 0.05
4
127
3.61 (2.84)
226
5.73 (3.98)
P < 0.001
127
3.36 (3.13)
226
4.38 (3.55)
P < 0.05
5
190
3.80 (3.09)
166
5.76 (4.11)
P < 0.001
190
3.45 (3.12)
166
4.72 (3.71)
P < 0.001
Quintile of deprivation
Clinical scores
 
Photographic scores
 
 
Newcastle
Manchester
Mann–Whitney U Test
Newcastle
Manchester
Mann–Whitney U Test
 
N
Mean D4-6MFT caries into dentine (SD)
N
Mean D4-6MFT caries into dentine (SD)
 
N
Mean D4-6MFT caries into dentine (SD)
N
Mean D4-6MFT caries into dentine (SD)
 
1
183
0.38 (0.86)
173
0.45 (0.88)
n.s.
183
0.36 (0.74)
173
0.39 (0.83)
n.s.
2
197
0.47 (1.02)
160
0.84 (1.23)
P < 0.001
197
0.38 (0.87)
160
0.77 (1.14)
P < 0.001
3
213
0.62 (1.11)
148
1.07 (1.52)
P < 0.05
213
0.57 (1.03)
148
1.01 (1.40)
P < 0.001
4
127
0.87 (1.40)
226
1.37 (1.73)
P < 0.05
127
0.79 (1.43)
226
1.24 (1.61)
P < 0.05
5 190 0.99 (1.40) 166 1.52 (1.79) P < 0.001 190 0.90 (1.28) 166 1.36 (1.42) P < 0.05