You don't need to practice "more" or practice more scales, you need to practice properly. Most technical issues are not about practicing more but rather unlearning the bad habits which keep us from playing well. Too bad you didn't upload a video.
Some issues may be that you are twisting your wrist (ulnar or radial deviation) or you may be stretching or isolating a finger.
If you are, for instance, playing a pattern down and you twist your wrist to the radial, that pushes your elbow to the ulnar and will pull your arm in two directions simultaneously. So, as you are trying to play down your arm is pulling up and this will cause unevenness in playing.
The same is true with isolating a finger, curling the thumb under the palm or stretching the fingers. Think of it this way, if you were to grasp for something just out of reach on your left and I pulled your right arm, you would be pulling in two directions. That is what happens when you flex a finger and extend another.
All the muscles in your forearm (the muscles that move the fingers (there are no muscles in your fingers)) are interconnected and as long as they all flex at the same time, your hand can go anywhere your arm places it (the arm places the hand, the fingers don't drag it behind).
Another issue you may have is that you need to group your patterns and adjust your pronator and supinator rotations accordingly.
Another issue is that you are not readjusting your elbow when you play the four and five fingers.
Another issue might be that you are trying to play from the fingers but it is the weight of the arm and gravity which actually play the keys.
Fix what is wrong before you look for a magic fix then you won't need a magic fix. Most of the time the biggest detriment to a pianists technique is an unknowledgeable teacher.