Table 1.

Number of cases and controls for each cancer site by sex and prescription of non-steroidal anti-inflammatory drug (NSAID) in 13-36 months before diagnosis of case

Cancer site	No of cases	No of controls	No prescribed NSAID in 13-36 months before diagnosis of case
			Cases	Controls
Bladder:
Male	764	2291	200	532
Female	277	831	100	239
Total	1041	3122	300	771
Breast:
Male	21	63	8	14
Female	3084	9209	902	2684
Total	3105	9272	910	2698
Colon:
Male	668	1997	181	512
Female	700	2092	197	638
Total	1368	4089	378	1150
Lung:
Male	1653	4925	386	1204
Female	907	2718	271	808
Total	2560	7643	657	2012
Oesophagus:
Male	348	1044	86	286
Female	202	606	50	165
Total	550	1650	136	451
Pancreas:
Male	248	742	58	161
Female	265	793	88	235
Total	513	1535	146	396
Prostate:
Male	1813	5354	570	1350
Rectum:
Male	343	1028	79	255
Female	250	750	73	227
Total	593	1778	152	482
Stomach:
Male	389	1165	92	302
Female	224	672	56	170
Total	613	1837	148	472
All sites:
Male	6258	17 593	1660	4326
Female	5916	17 341	1739	5067
Total	12 174*	34 934†	3399	9393

^*Eighteen cases (11 men, seven women) had multiple site cancer and were excluded from individual site categories. ^†Figure is less than total number of controls for each site individually as some patients were by chance selected as controls for more than one patient