Used the query at the bottom of this thread
http://wordpress.org/support/topic/wp_commentmeta-table-a39xxxx2_blogwp_commentmeta-doesnt-exist?replies=7
To create a new wp_commentmeta. Now the WordPress Database Repair runs clean.
Site’s still slow though.
Optimized wp_posts in PHPMyAdmin. WordPress database repair now reports it as OK.
