Table 1.

MGII individual items with score range, grouped by theme

Patient-reported items with score range								Examination items with score range
Problems with your eyesa		Problems eatingb		Problems speaking and breathingb		Generalized symptomsb
Double vision throughout the day	0–3	Difficulty swallowing	0–4	Voice changes through the day	0–3	Overall physical tiredness	0–3	Diplopiaa	0–3
Double vision with activities	0–3	Chewing different types of food	0–3	Voice changes with prolonged conversation	0–3	Arm weakness severity	0–3	Ptosisa	0–2
Severity of double vision	0–3	Chewing tiredness/fatigue	0–3	Severity of voice changes	0–3	Arm weakness with prolonged use	0–3	Lower facial strengthb	0–2
Eyelid drooping throughout the day	0–3			Speech clarity through the day	0–3	Leg weakness severity	0–3	Arm enduranceb	0–3
Eyelid drooping with activity	0–3			Speech clarity with prolonged conversation	0–3	Leg weakness with prolonged use	0–3	Leg enduranceb	0–3
Severity of eyelid drooping	0–3			Severity of speech changes	0–3	Neck weakness	0–3	Neck enduranceb	0–3
				Difficulty breathing	0–4

MGII Myasthenia Gravis Impairment Index

^aThese items comprise the ocular subscore, with a score range of 0–23

^bThese items comprise the generalized subscore, with a score range of 0–61