Table 1 Population and hospitalizations in the Mazandaran province during the study period

Population covered by Iranian Health Insurance

1,628,919

1,682,767

1,708,193

1,577,596

1,674,328

1,676,317

1,432,290

Total number of hospitalization

126,862

129,861

124,561

132,715

152,478

155,358

151,698

Monthly average of hospitalization,

10,571

10,821

10,380

11,059

12,706

12,946

12,641