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Table 2 The comparison between both groups regarding platelet levels and coagulation parameters

From: Insertion of central venous catheters in children undergoing bone marrow transplantation: is there a platelet level for a safe procedure?

Parameter

Group A

Group B

Preoperative

  

PT (mean); seconds

12.5

13

aPTT (mean); seconds

32

35.4

INR; mean

1.0

1.1

Platelet count; per microliter

  

  Range

60,000–505,000

5000–42,000

  Median

232,000

27,500

Postoperative

  

Platelet count; per microliter

  

  Range

50,000–430,000

18,000–88,000

  Median

220,000

59,500

  1. PT prothrombin time, aPTT activated partial thromboplastin time, INR international normalized ratio