tokens: The severity of clinical course was expressed by means of SOFA score ( group A 0 . 3 - 1 - 1 . 3 point , group B 2 . 2 - 2 . 9 - 2 . 6 point , group C 7 . 4 - 8 . 3 - 7 . 7 point ) and APACHE II score ( group A 3 . 7 - 7 . 6 - 8 . 1 point , group B 8 . 6 - 11 . 1 - 10 . 5 point , group C 16 . 3 - 15 . 2 - 14 . 3 point ) .