HELP????? PARVO QUESTION.... MY DOGS CHANCES?

WHAT ARE MY DOGS CHANCES OF SURVIVING PARVO? HES GOING ON FIVE DAYS WITH THE DISEASE. DIDN'T HAVE THE MONEY TO HOSPITALIZE HIM, BUT I DID TAKE THE HOME KIT. IE...IV FLUIDS, ANTIBIOTICS AND SO ON, AND BEEN ON POINT WITH ALL MEDS AND FLUIDS.. IVE BEEN AROUND THE CLOCK HYDRATING HIM WIT PEDIALYTE AND CHICKEN BROTH. HES HOLDING IT ALL DOWN WITHOUT VOMITING, BUT HAS HAD DIARRHEA W/O BLOOD...HE HASN'T ATE AND STILL LETHARGIC BUT DOESN'T APPEAR TO GOTTEN WORSE OR BETTER YET...ALL INFO AND OPINIONS GREATLY APPRECIATED..THANK YOU