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Table 2 Temperature variation within the age groups

From: Forehead or ear temperature measurement cannot replace rectal measurements, except for screening purposes

     

Bland-Altman comparison (°C)

Age group

No. of children

Method

Mean temperature (°C)

95% CI

Mean difference

95% CI

95% prediction interval

Total

965

Temporal

37.9

37.9-38.0

0.13

0.08-0.17

−1.20 - 1.49

995

Tympanic

37.8

37.8-37.9

0.05

0.02- 0.08

−0.97 - 1.07

995

Rectal

37.8

37.7-37.9

reference

  

0-5 months

133

Temporal

37.5

37.4-37.7

0.16

0.06 - 0.25

- 0.97 - 1.29

136

Tympanic

37.1

37.1-37.3

−0.14

− 0.23 - -0.06

−1.15 - 0.87

136

Rectal

37.4

37.2-37.5

reference

  

6-11 months

124

Temporal

37.9

37.7-38.1

−0.04

−0.16 - 0.09

−1.43 - 1.36

128

Tympanic

38.0

37.8-38.1

0.00

−0.08 - 0.08

−0.89 - 0.90

128

Rectal

38.0

37.8-38.1

reference

  

12-35 months

311

Temporal

38.1

38.0-38.3

0.06

−0.02 - 0.14

−1.35 - 1.46

320

Tympanic

38.1

38.0-38.2

0.01

−0.04 - 0.07

−1.01 - 1.02

320

Rectal

38.1

37.9-38.2

reference

  

3-5 years

162

Temporal

38.2

38.0-38.3

0.25

0.16 - 0.35

0.96 - 1.47

169

Tympanic

38.1

37.9-38.3

0.19

0.12 - 0.26

−0.73 - 1.11

169

Rectal

37.9

37.7-38.1

reference

  

6-11 years

131

Temporal

37.8

37.7-38.0

0.21

0.10 - 0.32

−1.06 - 1.49

135

Tympanic

37.8

37.6-38.0

0.18

0.09 - 0.27

−0.85 - 1.21

135

Rectal

37.6

37.5-37.8

reference

  

12-18 years

104

Temporal

37.6

37.4-37.8

0.17

0.04 - 0.30

−1.18 - 1.52

107

Tympanic

37.5

37.3-37.7

0.05

−0.06 - 0.16

−1.07 - 1.17

107

Rectal

37.4

37.2-37.6

reference