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. 2012 Dec 28;7(12):e53244. doi: 10.1371/journal.pone.0053244

Table 6. Numbers needed to benefit from treatment in participants who met criteria for diagnosis at baseline (95% CI).

ITP ISG ITP+ISG
Endpoint 5.05 (2.84–31.73) 16.86 (4.51–∞–−10.05) 3.94 (2.40–13.52)
6 month f/up 6.86 (3.20–∞–−32.21) 6.30 (3.0190–∞–−41.51) 4.49 (2.54–29.37)
12 month f/up 14.43 (3.92–∞–−8.23) 5.39 (2.69–∞–−50.48) 4.34 (2.40–53.73)

Confidence intervals may include infinity and extend to numbers needed to be harmed, which are represented by negative values.