STUMBL Battle ScoreLoading...Age, years0-10+111-20+221-30+331-40+441-50+551-60+661-70+771-80+881-90+991-100+10101-110+11Number of ribs fractured001+32+63+94+125+156+187+218+249+2710+3011+3312+3613+3914+4215+4516+4817+5118+5419+5720+6021+6322+6623+6924+72Chronic lung diseaseNo0Yes+5Pre-injury anticoagulant useNo0Yes+4Oxygen saturation≥ 95%090-94%+285-89%+480-84%+6