Guts gives a 1.5 attack boost anytime a status effect is placed upon them.
The Secondary status effect is negated, while the primary is still in effect.
Sleep = They are still asleep, Guts activates (Sleep talk would work)
Parlized = They still have a 50% of not attacking, No -.5 to Speed, still 1.5 to attack
Burn = Dammage every turn, no -.5 Attk, +.5 to Attack
Poison = Dammage every turn, no -.5 Sp. Attk, +.5 to Attack
Frozen = Guts activates, but lets face it, your boned