Table 5.

Postdrome adult studies.

References	Type of study	P/R	N	Sample	Postdrome symptoms	Duration	Prevalence
Blau (33)	Interview	R	50	Clinical sample	Mood variations, muscular weakness, abnormal appetite, yawning, tiredness, and changes in fluid balance.	1 h−4 d	94%
Giffin (19)	Electronic diary study	P	120	Clinical sample	Tiredness or weariness (88%), difficulty with concentration (56%) and stiff neck (42%).	≥24 h in 93%	81%
Kelman (34)	Structured interview	R	827	Clinical sample	Tiredness (71.8%), head pain (33.1%), cognitive difficulties (11.7%), “hangover” (10.7%)	56% < 12 h, 32% 12 ≤ 24 h, 12% > 24 h	68%
Quintela (22)	Interview	R	100	GP clinical sample	Asthenia (55%), tiredness (46%), somnolence (29%), concentration difficulties (28%)		80%
Giffin (35)	Electronic diary study	P	120	Clinical sample	Tiredness or weariness (88%), difficulty with concentration (56%), and stiff neck (42%).	≥24 h in 93%	85%

P, prospective; R, retrospective; N, number of patients; GP, general practitioner.