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Table 3 Comparison of the mean rectal and tympanic temperatures in the afebrile children.

From: Fever detection in under 5 children in a tertiary health facility using the infrared tympanic thermometer in the oral mode

Age group (Months)

n

Rectal temp Mean (SD)(°C)

Tymp temp Mean (SD)(°C)

Recto-Tympanic mean diff (SD)(°C)

t

p

< 1

45

37.2 (0.2)

36.9 (0.4)

0.27 (0.29)

4.334

0.000

1 - 11

114

37.5 (0.3)

36.8 (0.4)

0.72 (0.34)

15.046

0.000

12 - 23

84

37.5 (0.3)

36.9 (0.4)

0.56 (0.36)

9.814

0.000

24 - 35

60

37.5 (0.4)

37.1 (0.4)

0.40 (0.33)

5.950

0.000

36 - 47

55

37.4 (0.4)

37.2 (0.5)

0.23 (0.39)

2.888

0.005

48 - 59

42

37.4 (0.4)

37.1 (0.5)

0.26 (0.32)

2.867

0.005

0 - 59

400

37.4 (0.3)

37.0 (0.4)

0.47 (0.39)

17.099

0.000