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Table 1 Sample size estimation results

From: Evaluation of prediction effect of perfusion index for supraclavicular brachial plexus block in children: protocol for a randomized trial

 

Type I Error- Alpha

 

0.20

0.10

0.05

0.01

Type II Error -Beta

0.20

16 + 4

23 + 6

30 + 8

46 + 12

 

0.10

21 + 6

29 + 8

37 + 10

54 + 14

 

0.05

26 + 7

35 + 9

43 + 11

62 + 16

 

0.01

37 + 10

47 + 12

57 + 15

78 + 20