checkRd: (-1) being_processed.Rd:19: Lost braces; missing escapes or markup?
    19 |   \item {cluster_case}: {each case forms a cluster with all poosible controls to be matched}
       |                         ^
checkRd: (-1) being_processed.Rd:20: Lost braces; missing escapes or markup?
    20 |   \item {Patient_Id}: {Unique identifier for each patient}
       |                       ^
checkRd: (-1) being_processed.Rd:21: Lost braces; missing escapes or markup?
    21 |   \item {case_control}: {binary, if case==Colorectal Cancer, else control}
       |                         ^
checkRd: (-1) being_processed.Rd:22: Lost braces; missing escapes or markup?
    22 |   \item {case_ind}: {binary, if 1==case, else control}
       |                     ^
checkRd: (-1) being_processed.Rd:23: Lost braces; missing escapes or markup?
    23 |   \item {JCG}: {Year of Contact}
       |                ^
checkRd: (-1) being_processed.Rd:24: Lost braces; missing escapes or markup?
    24 |   \item {entry_year}: {the year that the patient first entrered the database}
       |                       ^
checkRd: (-1) being_processed.Rd:25: Lost braces; missing escapes or markup?
    25 |   \item {CI}: {Comorbidity Index. Count of chronic diseases before index data}
       |               ^
checkRd: (-1) being_processed.Rd:26: Lost braces; missing escapes or markup?
    26 |   \item {age_diff}: {difference of age between cases and controls}
       |                     ^
checkRd: (-1) being_processed.Rd:27: Lost braces; missing escapes or markup?
    27 |   \item {fup_diff}: {difference of follow-up between cases and controls}
       |                     ^
checkRd: (-1) being_processed.Rd:28: Lost braces; missing escapes or markup?
    28 |   \item {total_control_per_case}: {total controls that are available to be pooled per case}
       |                                   ^
checkRd: (-1) being_processed.Rd:29: Lost braces; missing escapes or markup?
    29 |   \item {freq_of_controls}: {how many times the control is available to be matched for different cases}
       |                             ^
checkRd: (-1) not_processed.Rd:19: Lost braces; missing escapes or markup?
    19 |   \item {Patient_Id}: {Unique identifier for each patient}
       |                       ^
checkRd: (-1) not_processed.Rd:20: Lost braces; missing escapes or markup?
    20 |   \item {JCG}: {Year of Contact}
       |                ^
checkRd: (-1) not_processed.Rd:21: Lost braces; missing escapes or markup?
    21 |   \item {Birth_Year}: {Patient's year of birth}
       |                       ^
checkRd: (-1) not_processed.Rd:22: Lost braces; missing escapes or markup?
    22 |   \item {Gender}: {Patient's Gender}
       |                   ^
checkRd: (-1) not_processed.Rd:23: Lost braces; missing escapes or markup?
    23 |   \item {Practice_Id}: {Patient's general practice}
       |                        ^
checkRd: (-1) not_processed.Rd:24: Lost braces; missing escapes or markup?
    24 |   \item {case_control}: {binary, if case==Colorectal Cancer, else control}
       |                         ^
checkRd: (-1) not_processed.Rd:25: Lost braces; missing escapes or markup?
    25 |   \item {entry_year}: {the year that the patient first entrered the database}
       |                       ^
checkRd: (-1) not_processed.Rd:26: Lost braces; missing escapes or markup?
    26 |   \item {fup_diff}: {difference of follow-up between cases and controls}
       |                     ^
checkRd: (-1) not_processed.Rd:27: Lost braces; missing escapes or markup?
    27 |   \item {CI}: {Comorbidity Index. Count of chronic diseases before index data}
       |               ^