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. 2012 Jan;81(1):14–18.

Table 4.

Number (%age) of CPR sessions rated either ‘effective’ or ‘ineffective’ by ≥4 of the 5 ASL instructors for male and female doctors

Ratio 15:2 Ratio 30:2
Male N = 18 Female N = 16 Both N = 34 Male N = 18 Female N = 16 Both N = 34
Effective 15(83%) 7(43%) 21(62%) 13(72%) 2(13%) 15(44%)
Ineffective 2(11%) 8(50%) 10(29%) 3(17%) 9(56%) 13(38%)