On average among OECD countries, there are about 14 students. per teacher at the secondary level (Table D2.2). As the differences in student-teacher ratios indicate, there are fewer full-time equivalent students per full-. time equivalent teachers at the secondary level than at the primary level of education.
Pain in the hip area may also originate from painful infections or other conditions of the skin, such as shingles. Hip pain may also occur because of a problem with the back or spine. Depending upon the cause of hip pain, the pain may occur when walking, running, or engaging in activity. Bursitis of one of the two bursae of the hip (sacs that provide cushioning between bones and tissues) can cause hip pain.
1) You may have an abdominal condition causing pain radiating to your back. 2) You may have a back condition radiating pain to your abdomen. 3) You may have a problem with something in your abdomen, and a problem with something in your back and they are completely unrelated. The abdomen and pelvis contain multiple organs and organ systems. Infections, diseases and any other problems that may occur, within any of these systems, have the potential to cause back and abdominal pain. They could cause upper, mid, or lower back pain. Medical Marijuana can Relieve and Control.