Table 1.

Characteristics of the study cases (BMI: body mass index, M: male, F: female, TA: triamcinolone acetate).

Case	Age	Sex	BMI (kg/m2)	Vaccine	Dose	Onset	Incorrect Technique	Range of Motion	Finding	Medication	Return to Normal Activities after Initial Treatment
1	52	M	24.22	Sinovac	1st	Within 72 h	Wrong direction	Limited	Subacromial bursitis	Antibiotic + oral celecoxib	14 days
2	51	F	23.91	AstraZeneca	1st	3 h	Too high	Limited	Subacromial-subcoracoid bursitis and supraspinatous tear	Oral prednisolone	3 days
3	66	M	24.53	AstraZeneca	2nd	Immediately	Wrong direction	Limited	-	Oral prednisolone	7 days
4	71	M	29.26	AstraZeneca	2nd	24 h	Too high	Full but painful	Thin subacromial-subcoracoid bursitis and low-grade partial tear of supraspinatous tendon	Oral prednisolone	14 days
5	68	F	23.73	AstraZeneca	2nd	Within 24 h	Wrong direction	Full but painful	Thin subdeltoid bursal fluid and partial thickness tear of subscapularis tendon	Oral prednisolone	7 days
6	64	M	26.94	AstraZeneca	1st	Within 48 h	Wrong direction	Limited	Tenosynovitis of long head of biceps and low-grade partial tear of subscapularis tendon	Combined oral prednisolone and TA injection	7 days
7	64	F	23.11	AstraZeneca	1st	Immediately	Too high	Limited	Calcific tendinopathy of supraspinatous tendon	Oral prednisolone	5 days