Table 1 Patient characteristics and procedures

 Diagnostic procedure

5

 Therapeutic procedure

5

 Parapharyngeal mass

1

 Cervical lymphadenopathy

4^a

 Deep neck abscess aspiration

2

 Botox injection salivary glands

2

 Pigtail insertion for delayed chyle leak post neck dissection

1

 Mean duration (min)

12.0

 Diagnostic

5.5

 Therapeutic

6.5

 Mean number of staffs involved

3.4

 Means duration from routine appointment^b (days)

17.2

 Diagnostic

12.2

 Therapeutic

5

 Complications

Nil