Table 3.

Prophylaxis and new renal scarring by patients and renal units

Scarring StatusTMP-SMZ Group Placebo Group P Value
By patient
 Patients, n298301
 New renal scarring19 (6)21 (7)0.77
 No new renal scarring279(94)280 (93)
By renal unit
 Unit, n596601
 New renal scarring21 (4)22 (4)0.90
 No new renal scarring575 (96)579 (96)
  • Unless otherwise noted, values are expressed as number (percentage). TMP-SMZ, trimethoprim-sulfamethoxazole.