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Table 3 Descriptive and inferential statistics for oxygen saturation for patients three years old or younger and those older than three years old across five time points after surgery

From: Reconsidering routine admission for children under age 3 undergoing partial tonsillectomy: a prospective study

Hours post-surgery

Mean (SD)

t-test

d

Three years old or younger (n = 35)

Older than three years old (n = 57)

2

97.1 (1.3)

97.8 (1.5)

2.1*

0.45

4

97.7 (1.4)

98.3 (1.4)

1.7

0.37

6

97.7 (1.2)

98.4 (0.9)

3.0**

0.65

8

97.9 (1.2)

98.4 (1.3)

1.5

0.34

24

97.9 (1.5)

98.0 (1.4)

0.5

0.10

  1. *p < 0.05. **p < 0.01