The Egyptian Heart Journal

Table 1 Participants' characteristics

From: The Nakata index and McGoon ratio: correlation with the severity of pulmonary regurgitation after the repair of paediatric tetralogy of Fallot

Demographics	N (%)
Age
Mean (SD), months	23.2 ± 14.4
Range, months	6–71
Sex
Female	29 (51.8%)
Male	27 (48.2%)
Shunt operation history
Yes	9 (16.1%)
No	47 (83.9%)
Shunt type
Right	4 (7.1%)
Left	4 (7.1%)
Right + Central	1 (1.8%)

SD: Standard deviation

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