In addition, they showed similarities regarding baseline albumin levels, 6-month albumin level, 6-month PTH level, baseline hemoglobin levels, 6-month hemoglobin levels, 6-month P levels, being male, having had an infection - peritonitis for patients on PD and BSI for patients on HD - or a second episode of infection, as shown in Table 2. Here, PTH is linked to peritonitis.