Understanding your win conditions and playing toward them is more important towards winning your match in spite of KDA. You could be considerably outperformed mechanically by your lane and out macro their team to a victory.
Examples, knowing when to collapse in your jungle. When to rotate for an objective based on the wave push. When to concede a dragon in favor of a turret. Probably a considerable method of control, is warding and vision control. Sweepers and pinks are your friend.