Table 2.

Scores of AECOPD patients on each day when samples collected

	AECOPD-1	AECOPD-3	AECOPD-7
Patient 1	106	48	40
Patient 2	41	19	17
Patient 3	68	39	33
Patient 4	45	30	28
Patient 5	53	23	16
Patient 6	37	17	23
Patient 7	50	4	18
Total scores	400	180	175
Mean	57	26	25
S.D.	24	15	9
	P ∇	0.005766*	0.002928*
		P ∇	0.457311

^*P < 0.05.