Mysql计数与条件或案例不同

SELECT user_appoint.TreatmentCaseId,
user_appoint.TreatmentCase,
tbl_rank.rank, 
user_appoint.u_id, 
DATE_FORMAT(MAX(user_appoint.ApptDateTime), ("%d-%m-%Y")) AS mdate, 
(CASE user_appoint.TreatmentCase 
WHEN 1 THEN "Open" WHEN 0 THEN "Closed" 
WHEN 2 THEN "Hospitalized" ELSE "" END) AS CaseStatus,
user_det.dob FROM (`user_appoint`) JOIN `user_det` ON 
`user_appoint`.`u_id` = `user_det`.`id` JOIN `tbl_rank` ON 
`user_appoint`.`rank` = `tbl_rank`.`rank_id` WHERE 
`user_appoint`.`comp_id` = '123' AND 
`user_appoint`.`void` = 0 AND 
`user_appoint`.`purpose` = 2 AND 
`TreatmentCaseId` LIKE '%%' 
GROUP BY 
`user_appoint`.`TreatmentCaseId` 
LIMIT 5
SELECT user_appoint.TreatmentCaseId,
user_appoi