The primary end point significantly increased in the treatment group compared with the placebo group ( @ % vs @ % ; P < @ ) , as well as @,@ ( OH ) @D levels ( @ -LSB- IQR , @-@ -RSB- vs @ -LSB- IQR , @-@ -RSB- pg/mL ; P < @ ) and the proportion of patients achieving the target calcium level ( @ % vs @ % ; P = @ ) .