Simple nomograms to calculate sample size in diagnostic studies

S Carley; S Dosman; S R Jones; M Harrison

doi:10.1136/emj.2003.011148

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Errata - May 01, 2005

Original Article

Simple nomograms to calculate sample size in diagnostic studies

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	Abstract	Full	Pdf
Feb 2005	67	47	42
Mar 2005	103	347	72
Apr 2005	37	209	48
May 2005	38	204	32
Jun 2005	38	216	49
Jul 2005	30	186	43
Aug 2005	28	159	22
Sep 2005	44	256	43
Oct 2005	58	214	23
Nov 2005	60	168	28
Dec 2005	57	173	21
Jan 2006	62	30	20
Feb 2006	41	31	21
Mar 2006	11	106	76
Apr 2006	16	103	50
May 2006	21	119	71
Jun 2006	18	79	43
Jul 2006	14	82	36
Aug 2006	11	117	52
Sep 2006	10	107	72
Oct 2006	19	184	138
Nov 2006	21	212	137
Dec 2006	12	146	102
Jan 2007	16	144	112
Feb 2007	23	157	125
Mar 2007	21	116	131
Apr 2007	76	81	75
May 2007	58	90	77
Jun 2007	60	54	63
Jul 2007	45	81	67
Aug 2007	66	70	66
Sep 2007	66	83	61
Oct 2007	91	73	82
Nov 2007	55	80	76
Dec 2007	49	51	43
Jan 2008	58	115	69
Feb 2008	77	76	53
Mar 2008	70	74	47
Apr 2008	55	75	56
May 2008	36	48	25
Jun 2008	58	62	49
Jul 2008	89	61	46
Aug 2008	87	69	63
Sep 2008	106	84	56
Oct 2008	123	85	52
Nov 2008	106	91	53
Dec 2008	81	59	39
Jan 2009	115	82	54
Feb 2009	122	92	81
Mar 2009	115	103	55
Apr 2009	114	117	69
May 2009	101	103	58
Jun 2009	127	112	55
Jul 2009	110	81	54
Aug 2009	115	90	50
Sep 2009	138	100	62
Oct 2009	158	96	57
Nov 2009	195	172	80
Dec 2009	169	99	58
Jan 2010	152	87	64
Feb 2010	132	80	68
Mar 2010	158	104	70
Apr 2010	138	85	52
May 2010	138	83	61
Jun 2010	126	79	53
Jul 2010	122	86	67
Aug 2010	79	78	38
Sep 2010	111	99	65
Oct 2010	160	102	55
Nov 2010	137	106	52
Dec 2010	103	87	65
Jan 2011	138	100	63
Feb 2011	148	87	49
Mar 2011	138	87	56
Apr 2011	137	88	53
May 2011	172	68	61
Jun 2011	145	52	41
Jul 2011	132	62	41
Aug 2011	129	64	26
Sep 2011	172	90	55
Oct 2011	250	79	51
Nov 2011	220	235	98
Dec 2011	91	257	84
Jan 2012	94	292	101
Feb 2012	60	199	53
Mar 2012	81	195	67
Apr 2012	66	162	87
May 2012	61	216	105
Jun 2012	80	275	116
Jul 2012	70	262	108
Aug 2012	58	187	91
Sep 2012	51	206	76
Oct 2012	76	269	98
Nov 2012	59	220	78
Dec 2012	66	182	72
Jan 2013	95	241	76
Feb 2013	94	306	138
Mar 2013	128	317	139
Apr 2013	116	295	118
May 2013	122	270	86
Jun 2013	68	233	90
Jul 2013	67	181	85
Aug 2013	85	176	65
Sep 2013	87	168	74
Oct 2013	77	136	75
Nov 2013	96	162	60
Dec 2013	123	155	66
Jan 2014	90	126	50
Feb 2014	63	144	65
Mar 2014	95	110	62
Apr 2014	95	138	45
May 2014	81	206	53
Jun 2014	78	188	69
Jul 2014	81	205	64
Aug 2014	82	187	65
Sep 2014	70	200	51
Oct 2014	69	162	51
Nov 2014	61	164	48
Dec 2014	56	122	50
Jan 2015	62	138	50
Feb 2015	54	156	66
Mar 2015	84	162	85
Apr 2015	73	161	62
May 2015	70	202	78
Jun 2015	67	158	69
Jul 2015	47	172	42
Aug 2015	64	129	47
Sep 2015	54	194	53
Oct 2015	37	95	34
Nov 2015	48	142	57
Dec 2015	58	114	30
Jan 2016	53	124	50
Feb 2016	57	130	46
Mar 2016	54	125	35
Apr 2016	69	97	34
May 2016	60	127	41
Jun 2016	59	113	26
Jul 2016	40	100	26
Aug 2016	58	137	46
Sep 2016	60	107	45
Oct 2016	70	181	55
Nov 2016	50	185	80
Dec 2016	31	129	43
Jan 2017	60	145	43
Feb 2017	21	72	35
Mar 2017	11	107	45
Apr 2017	9	138	24
May 2017	12	148	44
Jun 2017	27	106	32
Jul 2017	60	53	27
Aug 2017	95	91	31
Sep 2017	95	91	17
Oct 2017	165	143	25
Nov 2017	145	137	33
Dec 2017	158	148	35
Jan 2018	154	144	46
Feb 2018	166	142	25
Mar 2018	229	210	52
Apr 2018	168	146	43
May 2018	193	185	45
Jun 2018	181	173	37
Jul 2018	157	151	31
Aug 2018	261	253	36
Sep 2018	276	262	59
Oct 2018	289	273	56
Nov 2018	223	219	38
Dec 2018	203	199	47
Jan 2019	279	273	44
Feb 2019	245	230	47
Mar 2019	279	268	66
Apr 2019	311	307	62
May 2019	262	260	57
Jun 2019	257	247	59
Jul 2019	232	220	47
Aug 2019	253	241	43
Sep 2019	237	229	53
Oct 2019	317	305	71
Nov 2019	287	269	65
Dec 2019	249	233	47
Jan 2020	297	282	71
Feb 2020	253	241	51
Mar 2020	348	324	68
Apr 2020	305	298	70
May 2020	370	346	109
Jun 2020	328	305	71
Jul 2020	276	250	106
Aug 2020	227	217	59
Sep 2020	223	215	66
Oct 2020	335	309	120
Nov 2020	326	317	109
Dec 2020	288	262	73
Jan 2021	311	297	106
Feb 2021	253	237	74
Mar 2021	112	110	48
Apr 2021	98	83	53
May 2021	91	81	41
Jun 2021	85	82	35
Jul 2021	76	76	25
Aug 2021	234	234	96
Sep 2021	225	225	76
Oct 2021	248	236	87
Nov 2021	244	232	76
Dec 2021	201	178	52
Jan 2022	182	176	57
Feb 2022	174	169	50
Mar 2022	164	154	42
Apr 2022	195	209	59
May 2022	189	188	66
Jun 2022	152	152	38
Jul 2022	153	152	34
Aug 2022	150	151	41
Sep 2022	163	162	56
Oct 2022	149	157	49
Nov 2022	141	139	43
Dec 2022	131	133	34
Jan 2023	207	192	54
Feb 2023	197	193	42
Mar 2023	187	184	56
Apr 2023	165	164	44
May 2023	253	247	51
Jun 2023	328	313	46
Jul 2023	210	204	54
Aug 2023	210	201	36
Sep 2023	180	182	41
Oct 2023	123	127	27
Nov 2023	181	174	47
Dec 2023	481	64	6
Jan 2024	166	8	4
Feb 2024	137	8	3
Mar 2024	189	9	4
Apr 2024	206	6	0
May 2024	258	7	2
Jun 2024	249	4	2
Jul 2024	285	21	8
Aug 2024	175	3	2
Total	30325	36209	13352

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