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. 2013 Sep 12;11(9):1663–1668. doi: 10.1111/jth.12332

Table 1.

Subgroup analyses for the ISTH bleeding assessment tool score in patients with and without a platelet defect

Bleeding symptom Patients with platelet defects (median, interquartile range) Patients without platelet defects (median, interquartile range) P-value
Epistaxis 1, 0–3 1, 0–2 0.67
Cutaneous bleeding 1, 0–2 1, 0–1 0.17
Postoperative bleeding (including post-dental work) 4, 2–6 4, 2–6 0.89
Menorrhagia 3, 1–4 3, 2–4 0.27

Symptoms assessed were epistaxis (maximum score of 4), cutaneous bleeding (maximum score of 4), postoperative bleeding (including post-dental work, maximum score of 8), and menorrhagia (in female participants only, maximal score of 4). Statistical analyses were performed with the non-parametric Mann–Whitney U-test.