Study protocol (English version).

(DOCX)</p

Participant’s data including characteristics and primary outcome measurement.

(SAV)</p

The reason for protocol modifications.

(DOCX)</p

Distribution of different outcomes according to two arms in addition to related effect sizes.

Distribution of different outcomes according to two arms in addition to related effect sizes.</p

Study protocol (Farsi version).

(DOCX)</p

The protocol of applied pulmonary physiotherapy to patients with or without excessive pulmonary secretion.

The protocol of applied pulmonary physiotherapy to patients with or without excessive pulmonary secretion.</p

Details of demographic and clinical characteristics of intubated, died, and re-hospitalized participants.

(DOCX)</p

CONSORT 2010 checklist of information to include when reporting a randomised trial*.

(DOC)</p

Trial profile.

* These participants were intubated during three days and therefore did not participate in the assessment after three days. They died before one-month follow-up.</p

Demographics and clinical characteristics of participants.

Demographics and clinical characteristics of participants.</p