I've been trying to remove this blank/missing datum from the frequency results but have had no luck. Any advice? I'm interested in seeing what comorbidities affect endometrial cancer survival. I've been using the following code and got the output below: DATA INPHAASE.COMORBIDOTH; SET INPHAASE.COMORBIDITIES; IF COMORBID = "Fibroids" THEN COMORBIDOTH = " "; IF COMORBIDOTH = "." THEN COMORBIDOTH = " "; RUN; PROC FREQ DATA = INPHAASE.COMORBIDOTH; TABLES COMORBID COMORBIDOTH; RUN; Comorbidities_other_reason COMORBIDOTH Frequency Percent Cumulative Frequency Cumulative Percent 1 0.18 1 0.18 ABNORMAL LIVER TEST, HYPERLIPIDEMIA, GERD, ANXIETY DISORDER 1 0.18 2 0.37 ADDISON'S DISEASE, MIGRAINE, HEADACHE, OSTEOARTHRITIS, DIVERTICULOSIS, DJD, SCIATICA 1 0.18 3 0.55 ALLERGIC RHINITIS SINUSITIS 1 0.18 4 0.73 ALLERGIC RHINITIS OSTEOARTHRITIS ASTHMA 1 0.18 5 0.92 ALLERGIC RHINITIS HYPERLIPIDEMIA OVARIAN CANCER SECOND PRIMARY 1 0.18 6 1.1 ALLERGIC RHINITIS LUNG CANCER 1 0.18 7 1.28 ALLERY TO ASPIRIN AND MOTRIN 1 0.18 8 1.47 ALS
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