Development of the chronic obstructive pulmonary disease morning symptom diary (COPD-MSD)

Table 2 Saturation of symptom concepts

	Core Symptom Concepts							Additional Symptom Concepts^a
	SOB	Cough	Phlegm	Chest Pain^b	Wheeze	Trouble Sleeping	Headache	Fatigue^c	Back Pain	Dizziness^d	Congestion^e	Weak Legs^f	Nasal Drainage	Heart Palpitations	Foot/Ankle Swelling	Dry Mouth	Tight Throat	Numb Face, Lips	Inability to Think, Reason
Group 1 (n = 9)
102-002	S		P	S	S	P
102-015	S	S	S	S				S
102-018	S	S	S	S		P					S		S
102-028	S	S	S	S		S	S		S	S		S
102-033	S	S	S	S	S	P		S
102-035	S	S	S	S	S	P
104-001	S	S	S		P								S
104-004	S	S	S	P	P	S	S	S	S			S		S
104-006	S	S	S		P
Group 2 (n = 9)
103-003	S	S	S	S	S
103-011	S	S	S	S	P		P				S
104-008	S	S	S	S	S	S	P	S							S
104-011	S	S	S	P					S			S
105-001	S	S	S	S	S	P				S
105-002	S				S		P	S
105-003	S	S	S					S								S
105-005	S	S	S	P	P
105-006	S	S	S	S	P		P
Group 3 (n = 9)
103-009	S	S	S		P	P		S		S							S	S	S
103-012	S	S	S		P	S	P
106-004	S	P	P	S	P	P
106-006	S						P
106-007	S	S	P		P	P	P		S
106-010	S	S	S		S
106-015	S	S	S	S
106-016	S
106-017	S	S	S	P	S	S
Group 4 (n = 8)
102-036	S	P	P
102-040	S	S	S	P
102-039	S	S	S	S	P	S	P				S
102-037	S	S	P	S	S	S
108-002	S	S	S		P
108-003	S	P	P					S			S
108-006	S	S	P	S	P	P	S				S
108-007	S			P	P		S
Spontaneous	35	27	24	16	10	7	4	8	4	3	5	3	2	1	1	1	1	1	1
Probed	0	3	7	6	14	9	8	0	0	0	0	0	0	0	0	0	0	0	0
TOTAL (S + P)	35	30	31	22	24	16	12	8	4	3	5	3	2	1	1	1	1	1	1

^a These “additional concepts” were not included in the symptom checklist used by interviewers, thus these concepts were not probed for by the interviewer rather they spontaneously emerged from subjects
^b Includes “chest tightness” and “chest discomfort”
^c Includes “exhaustion,” “lack of energy,” “tiredness,” “malaise” and “weakness”
^d Includes “lightheadedness”
^e Includes “nasal stoppage”
^f Includes “legs dragging”

ISSN: 1477-7525