Table 1

Baseline characteristics in patients with and without hyperglycaemic crisis

	Hyperglycaemic crisis				p Value
	No		Yes
	(N=8684)		(N=2171)
Variables	n	Per cent	n	Per cent
Sex
Female	3874	44.61	981	45.19	0.6294
Male	4810	55.39	1190	54.81
Age
18–39	1033	11.90	273	12.57	0.1318
40–64	4709	54.23	1125	51.82
≥65	2942	33.88	773	35.61
Mean (SD)	57.85 (14.39)		58.18 (15.04)		0.3593
Insurance premium (New Taiwan dollars)
<20 000	6831	78.66	1708	78.67	0.5812
20 000–39 999	1277	14.71	316	14.56
40 000–59 999	489	5.63	118	5.44
≥60 000	87	1	29	1.34
Urbanisation level
1 (highest)	2212	25.47	524	24.14	0.7311
2	2472	28.47	634	29.2
3	1484	17.09	383	17.64
4	1348	15.52	332	15.29
5 (lowest)	1168	13.45	298	13.73
Types of occupation
Government, school employees	721	8.3	172	7.92	0.3865
Private enterprise employees	2677	30.83	685	31.55
Occupational members	1688	19.44	427	19.67
Farmers or fishermen	2062	23.74	478	22.02
Low-income households	1536	17.69	409	18.84
Comorbidity
Hypertension	5631	64.84	1407	64.81	0.9759
Hyperlipidaemia	4937	56.85	1261	58.08	0.2995
CKD	1962	22.59	514	23.68	0.2823
COPD	2640	30.40	678	31.23	0.4532
Gout	2167	24.95	562	25.89	0.3702
PAOD	908	10.46	234	10.78	0.6614
Medication
Anticoagulants	95	1.09	24	1.11	0.9632
Antiplatelet drugs	3203	36.88	817	37.63	0.5183
Statins	617	7.11	168	7.74	0.3082

CKD, chronic kidney disease; COPD, chronic obstructive pulmonary disease; PAOD, peripheral arterial occlusive disease.