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Table 2 Coagulation tests of children who bled vs. children who didnā€™t

From: Coagulation tests or standardized questionnaire, which is better as a predictor of bleeding? A prospective study among children before tonsillectomy and/or adenoidectomy

Ā 

Group

p

Bleeding (Nā€‰=ā€‰18)

N (%)

Non bleeding (Nā€‰=ā€‰125)

N (%)

Abnormal coagulation tests results

5 (19.2%)

21 (80.8%)

0.34

Normal test results

13 (11.1%)

104 (88.9%)

Ā 
Ā 

Meanā€‰Ā±ā€‰SD

[median, range]

Meanā€‰Ā±ā€‰SD

[median, range]

Ā 

Platelets 109/dl

301.06ā€‰Ā±ā€‰73.97

[294.5, 196ā€“453]

338.24ā€‰Ā±ā€‰86.73

[335.5, 132ā€“764]

0.08

PTT Sec

33.68ā€‰Ā±ā€‰3.62

[33.9, 26.7ā€“38.7]

332.098ā€‰Ā±ā€‰3.782

[32.87, 24.7ā€“46.8]

0.34

aPTT ratio

1.19ā€‰Ā±ā€‰0.12

[1.20, 0.99ā€“1.39]

1.187ā€‰Ā±ā€‰0.13

[1.1728, 0.89ā€“1.68]

0.63

PT Sec

11.96ā€‰Ā±ā€‰0.96

[12.15, 10.1ā€“13.7]

11.7495ā€‰Ā±ā€‰12.0142

[11.60, 9.9ā€“135.32]

0.19

PT (%)

96.61ā€‰Ā±ā€‰11.20

[93.5, 80ā€“121]

100.945ā€‰Ā±ā€‰11.05

[100, 82ā€“130]

0.12

INR

1.01ā€‰Ā±ā€‰0.07

[1.03, 0.88ā€“1.14]

0.99ā€‰Ā±ā€‰0.07

[0.99, 0.84ā€“1.15]

0.20

  1. N number, SD standard deviation, p probability value