Table 2

Cumulative frequency of conversion from NDH to T2DM from 2000 to 2015

Year	Within 1 month				Within 3 months				Within 6 months				Within 1 year
Year	N remaining uncon verted	N con verted	N censored	Cum % con verted	N remaining uncon verted	N con verted	N censored	Cum % con verted	N remaining uncon verted	N con verted	N censored	Cum % con verted	N remaining uncon verted	N con verted	N censored	Cum % con verted
2000	887	19	1	2.1	870	13	4	3.53	854	15	1	5.2	818	25	11	7.99
2001	1460	35	0	2.34	1433	26	1	4.08	1397	29	7	6.03	1320	58	19	9.96
2002	2922	72	2	2.4	2863	55	4	4.24	2803	47	13	5.82	2650	126	27	10.07
2003	4793	115	5	2.34	4655	125	13	4.89	4538	85	32	6.63	4276	183	79	10.43
2004	7076	184	6	2.53	6907	151	18	4.62	6698	160	49	6.83	6370	241	87	10.21
2005	8832	185	7	2.05	8660	152	20	3.74	8479	132	49	5.21	8007	335	137	8.99
2006	8561	193	4	2.2	8389	149	23	3.91	8194	140	55	5.52	7743	319	132	9.23
2007	9240	192	14	2.03	9073	144	23	3.56	8912	130	31	4.95	8472	317	123	8.35
2008	10 243	179	10	1.72	10 046	172	25	3.37	9871	114	61	4.47	9391	370	110	8.07
2009	10 923	191	8	1.72	10 721	185	17	3.38	10 553	123	45	4.49	10 100	319	134	7.4
2010	9991	189	4	1.86	9828	146	17	3.29	9686	107	35	4.35	9279	291	116	7.24
2011	9973	163	6	1.61	9792	161	20	3.2	9628	126	38	4.45	9181	309	138	7.53
2012	10 057	162	5	1.58	9912	130	15	2.86	9743	131	38	4.14	9366	274	103	6.85
2013	12 267	131	17	1.06	12 130	110	27	1.94	11 963	115	52	2.88	11 537	264	162	5.03
2014	11 318	85	14	0.74	11 214	71	33	1.37	11 061	92	61	2.18	10 717	209	135	4.04
2015	12 832	81	1080	0.6	10 111	85	2636	1.34	6716	72	3323	2.18
	Within 2 years				Within 3 years				Within 4 years				Within 5 years
2000	734	62	22	15.06	634	68	32	23.1	545	57	32	30.2	456	60	29	38.09
2001	1160	103	57	17.14	971	135	54	27.01	827	94	50	34.26	694	76	57	40.52
2002	2283	256	111	18.95	1973	210	100	26.57	1674	198	101	34.13	1377	191	106	41.89
2003	3647	437	192	19.8	3105	359	183	27.89	2672	272	161	34.38	2305	228	139	40.13
2004	5490	590	290	18.72	4726	471	293	25.88	4086	384	256	32.07	3533	325	228	37.63
2005	6939	711	357	17.25	6025	577	337	24.3	5275	459	291	30.21	4650	406	219	35.7
2006	6741	700	302	17.6	5841	638	262	25.55	5076	467	298	31.66	4468	341	267	36.37
2007	7328	829	315	17.49	6385	643	300	24.88	5612	484	289	30.71	4959	379	274	35.5
2008	8176	836	379	16.42	7247	602	327	22.7	6473	474	300	27.86	5763	421	289	32.66
2009	9059	708	333	14	8049	621	389	20.02	7229	500	320	25.09	6597	344	288	28.73
2010	8324	616	339	13.51	7427	587	310	19.73	6712	440	275	24.57	6186	306	220	28.07
2011	8091	773	317	15.46	7303	473	315	20.5	6703	342	258	24.29	0	137	6566	27.32
2012	8467	537	362	12.30	7769	366	332	16.17
2013	10625	487	425	9.12

NDH, non-diabetic hyperglycaemia; T2DM, type 2 diabetes mellitus.