In the AMA Manual of Style guide to medical and scientific writing, tables present numerical data in rows and columns, while figures encompass any other visual elements such as graphs, photographs, charts, maps, or images. For quantitative information, a table can be used to display exact values whereas a figure can be used to illustrate patterns or trends. When used properly tables and figures can emphasize important information and highlight key points in your text.

Remember to reference any tables, figures, or images that you refer to, copy or adapt into your work that have been obtained from another source. The reference should appear in your reference list and have a number assigned to it as for any other reference. 

For more advice on how to label, format and acknowledge any tables/figures/images copied or adapted into your work see Chapter 4 of the AMA Manual of style. 

Table layout

•    Tables should be set off from the text by a horizontal line    
•    The word “Table” and the table number are part of the title. 
•    The title should be in headline style capitalisation (where each significant word is capitalised) and not in bold.
      Give each table a brief, specific, descriptive title that conveys the topic of the table succinctly but don’t provide detailed background  information or summarize or interpret the results. You may include brief descriptive footnotes underneath the table. See Rule 4.1-1 
•    Tables are numbered consecutively as referred to in the text. The first table that you mention is titled Table 1.
•    In your paper you can refer to the specific table you are describing by the title such as "As described in Table 1 ...."
•    Acknowledge that data in the table is taken from another source, as you would in the text. In the table below see in-text citation (3)

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Table 1. Hematomas Partial Resolution Over Time

              Data adapted from treatment of large hematomas at the outset partially resolving after 15 months treatment.(3) 

Figure layout

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Figure 2. Four Stages of Mitosis

FR Lashley's image of two autosomal chromosome pairs.(4)

References

Your reference will begin with the standard reference to the source of the table/figure/image whether it is from a book, online journal or conference paper - e.g. if you obtained it from a website you need to reference that website - with information specifically pertaining to the image placed at the end of the reference.

Refer to the examples below.