Effect of Three-Stair-Position on Improvement of Apnea of Prematurity

Infants in the TSP group received three-stair-prone position. Implementation steps were as following: 1) produced pad of three-stair-prone position the total height of which should be the same height as the head elevated 15 °. 2) Placed the infants on the pad with head on the highest ladder, chest on the second step and leg on the third step, bending the knees to the chest

Infants in the HETP group were allowed head up 15 ° prone position using a protractor with head to one side, arms against the sides of the body naturally bending, knees bent to the chest.