Table 3 Summary of the number of patients excluded, and those available for analysis for each component of diagnostic delay, by cancer type

From: Delays in the diagnosis of six cancers: analysis of data from the National Survey of NHS Patients: Cancer

	Colorectal	Lung	Ovarian	Prostate	NHL	Breast	Total
Number in the sample	15 891	4011	3067	10 992	5604	25 627	65 192
Total delay	11 385 (72%)	2669 (67%)	2216 (72%)	5840 (53%)	3537 (63%)	19 760 (77%)	45 407 (70%)
Secondary delay or total prehospital delay missing	4506	1342	851	5152	2067	5867	19 785
	15 891	4011	3067	10 992	5604	25 627	65 192
Total delay (if ‘yes’ to Q D2)	10 248	2235	1943	4909	3049	14 679	37 063
Secondary delay or total pre-hospital delay missing	3784	1011	695	4250	1693	3583	15 016
	14 032	3246	2638	9159	4742	18 262	52 079
Total delay (if ‘no’ to Q D2)	1094	420	267	896	479	5008	8164
Secondary delay or total pre-hospital delay missing	518	274	128	664	312	2014	3910
	1612	694	395	1560	791	7022	12 074
Total delay (if no response to Q D2)	43	14	6	35	9	73	180
Secondary delay or total pre-hospital delay missing	204	57	28	238	62	270	859
	247	71	34	273	71	343	1039
Total pre-hospital delay	13 174 (83%)	3260 (81%)	2673 (87%)	7759 (71%)	4650 (83%)	22 494 (88%)	54 010 (83%)
First appointment before had symptoms	453	158	65	382	168	507	1733
One or both dates missing	2264	593	329	2851	786	2626	9449
	15 891	4011	3067	10 992	5604	25 627	65 192
Total pre-hospital delay (if ‘yes’ to Q D2)	11 835	2706	2330	6563	4033	16 561	44 028
First appointment before had symptoms	388	134	53	320	112	319	1326
One or both dates missing	1809	406	255	2276	597	1382	6725
	14 032	3246	2638	9159	4742	18 262	52 079
Patient delay (if ‘no’ to Q D2)	1282	535	336	1146	605	5839	9743
One or both dates missing	275	135	48	354	130	999	1941
First appointment before had symptoms	55	24	11	60	56	184	390
	1612	694	395	1560	791	7022	12 074
Total prehospital delay (if no response to Q D2)	57	19	7	50	12	94	239
First appointment before had symptoms	10	0	1	2	0	4	17
One or both dates missing	180	52	26	221	59	245	783
	247	71	34	273	71	343	1039
Patient and primary care delay (if ‘yes’ to Q D2)	10 026	2361	2036	5369	3447	15 468	38 707
Referral delay or total prehospital delay missing	2959	675	407	3065	951	2076	10 133
False negatives	1047	210	195	725	344	718	3239
	14 032	3246	2638	9159	4742	18 262	52 079
Referral delay	12 527 (79%)	2950 (74%)	2453 (80%)	7877 (72%)	4242 (76%)	17 402 (68%)	47 451 (73%)
Answer ‘no’ to Q D2	1612	694	395	1560	791	7022	12 074
No response to Q D2	247	71	34	273	71	343	1039
Can't remember (Q D3)	777	186	78	838	285	474	2638
Not answered (Q D3)	371	71	56	200	104	227	1029
> 1 year (Q D3)	357	39	51	244	111	159	961
	15 891	4011	3067	10 992	5604	25 627	65 192
Secondary care delay	13 244 (83%)	3199 (80%)	2474 (81%)	7671 (70%)	4073 (73%)	21 938 (86%)	52 599 (81%)
Not answered	690	159	112	606	242	622	2431
Not told	166	26	20	95	47	68	422
> 6 months	266	38	30	173	68	137	712
Told before	1048	457	295	1251	420	1729	5200
NA	477	132	136	1196	754	1133	3828
Total	15 891	4011	3067	10 992	5604	25 627	65 192
Secondary care delay (if ‘yes’ to Q D2)	11 801	2633	2145	6393	3448	15 801	42 221
Not answered	505	95	83	390	164	385	1622
Not told	147	20	19	69	43	47	345
> 6 months	251	34	29	151	64	115	644
Told before	906	348	244	1112	343	981	3934
NA	422	116	118	1044	680	933	3313
Total	14 032	3246	2638	9159	4742	18 262	52 079
Secondary care delay (if ‘no’ to Q D2)	1314	532	308	1143	589	5941	9827
Not answered	90	39	19	115	51	134	448
Not told	18	6	1	24	4	19	72
> 6 months	12	4	1	21	4	21	63
Told before	133	98	48	119	72	722	1192
NA	45	15	18	138	71	185	472
Total	1612	694	395	1560	791	7022	12 074
Secondary care delay (if no response to Q D2)	129	34	21	135	36	196	551
Not answered	95	25	10	101	27	103	361
Not told	1	0	0	2	0	2	5
> 6 months	3	0	0	1	0	1	5
Told before	9	11	3	20	5	26	74
NA	10	1	0	14	3	15	43
Total	247	71	34	273	71	343	1039

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Table 3 Summary of the number of patients excluded, and those available for analysis for each component of diagnostic delay, by cancer type

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