by chance, was not accounted for. I

by chance, was not accounted for. In most cases (Adeleye 1981;
Apuzzio 1982; Conover 1984; Jakobi 1994) the numbers in the
placebo group were smaller than those in the treatment group,
raising the possibility of selective withdrawals not mentioned in
the published report.

Results (Indonesian) 2:

secara kebetulan, tidak dipertanggungjawabkan. Dalam kebanyakan kasus (Adeleye 1981;
Apuzzio 1982; Conover 1984; Jakobi 1994) angka dalam
kelompok plasebo lebih kecil daripada di kelompok perlakuan,
meningkatkan kemungkinan penarikan selektif tidak disebutkan dalam
laporan yang diterbitkan.