Table 2.

Summary of gender, age, allergic history, allergic family history, visit seasons, treatment and compliance, and the assessment of relationship with asthma control from rank sum test.

	Total	Well-controlled		Partly-controlled		Uncontrolled			P-value
		N	%	N	%	N	%
Gender								W = 5,791,200	0.763
Male	4,815	1,984	41.20%	2,211	45.92%	620	12.88%
Female	2,396	987	41.19%	1,119	46.70%	290	12.10%
Age (years)								H = 145.64	<0.001***
0–3	1,869	632	33.81%	919	49.17%	318	17.01%
4–6	3,412	1,347	39.48%	1,640	48.07%	425	12.46%
7–14	1,930	992	51.40%	771	39.95%	167	8.65%
Allergic history								W = 4,523,700	<0.001***
With	3,797	1,617	42.59%	1,700	44.77%	480	12.64%
Without	2,524	947	37.52%	1,205	47.74%	372	14.74%
Missing	890
Allergic family history								W = 3,304,100	<0.001***
With	1,895	881	46.49%	803	42.37%	211	11.13%
Without	3,858	1,466	38.00%	1,814	47.02%	578	14.98%
Missing	1458
Season								H = 109.67	<0.001***
Spring	2,056	830	40.37%	893	43.43%	333	16.20%
Summer	1,911	893	46.73%	843	44.11%	175	9.16%
Autumn	1,425	650	45.61%	651	45.68%	124	8.70%
Winter	1,819	598	32.88%	943	51.84%	278	15.28%
Treatment								H = 138.53	<0.001***
ICS	4,444	2,161	48.63%	1,829	41.16%	454	10.22%
LABA	824	472	57.28%	296	35.92%	56	6.80%
LTRA	964	301	31.22%	526	54.56%	137	14.21%
Theophylline	4	1	25.00%	1	25.00%	2	50.00%
Oral corticosteroid	87	37	42.53%	34	39.08%	16	18.39%
Missing	901
Steps								H = 116.79	<0.001***
Step 1	1,453	455	31.31%	779	53.61%	219	15.07%
Step 2	1,119	487	43.52%	523	46.74%	109	9.74%
Step 3	2,105	1,057	50.21%	811	38.53%	237	11.26%
Step 4	1,330	584	43.91%	608	45.71%	138	10.38%
Step 5	35	12	34.29%	17	48.57%	6	17.14%
Missing	1,169
Treatment compliance								H = 549.7	<0.001***
Regular medication	3,423	2,265	66.17%	901	26.32%	257	7.51%
Irregular medication	397	79	19.90%	233	58.69%	85	21.41%
No medication	340	59	17.35%	215	63.24%	66	19.41%
Missing	3,051

^***P < 0.001.