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Table 3 Comparison between the bleeding group and the non-bleeding group

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

 Bleeding (N = 18)No bleeding (N = 125)p valueRR (95% CI)
Questionnaire positive6 (33.3%)14 (11.2%)0.013.08 (1.30–7.26)
Questionnaire & coagulation abnormal2 (11.1%)2 (1.6%)0.086.94 (1.04–46.27)
Gender
 Male13 (72.2%)68 (54.4%)0.151.33 (0.96–1.84)
 Female5 (27.8%)57 (45.6%)  
 Mean ± SD
[median; range]
Mean ± SD
[median; range]
  
Age (years)6.9 ± 4.3
[5.5; 3–18]
5.4 ± 3.2
[5.0; 1–17]
0.251.11* (0.98–1.26)
  1. N number, RR risk ratio, CI confidence interval, AD adenoidectomy, TON tonsillectomy, SD standard deviation
  2. *Odds ratio estimate of RR
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