Table 1

Characteristics of diabetes case cohort by ascertainment source and province

Case characteristics	Cases ascertained from hospital discharge abstracts		Cases ascertained from physician billing claims for FFS physicians		Cases ascertained from physician billing claims for NFFS physicians*
Case characteristics	n	Per cent	n	Per cent	n	Per cent
	Newfoundland and Labrador (N=31 714)
Total	2405	100.0	28 898	100.0	411	100.0
Sex
Male	1158	48.1	13 872	48.0	217	52.8
Female	1247	51.9	15 026	51.9	194	47.2
Age group (years)
<35	39	1.6	1448	5.0	30	7.3
35–49	168	7.0	4932	17.1	84	20.4
50–64	570	23.7	10 808	37.4	136	33.1
65+	1628	67.7	11 710	40.5	161	39.2
Health region of residence
Eastern	1201	49.9	17 547	60.7	110	26.8
Central	523	21.7	5909	20.4	258	62.8
Western	389	16.2	4840	16.7	7	1.7
Labrador	267	11.1	464	1.6	35	8.5
Missing	25	1.0	138	0.5	1	0.2
	Manitoba (N=51 031)
Total	2250	100.0	42 933	100.0	5848	100.0
Sex
Male	1161	51.6	22 078	51.4	2764	47.3
Female	1089	48.4	20 855	48.6	3084	52.7
Age group (years)
<35	71	3.2	1952	4.6	375	6.4
35–49	236	10.5	7636	17.8	1358	23.2
50–64	534	23.7	15 319	35.7	2120	36.3
65+	1409	62.6	18 026	42.0	1995	34.1
Health region of residence
Winnipeg	1180	62.6	25 949	60.4	1409	24.1
Interlake-Eastern	262	11.6	4503	10.5	970	16.6
Northern	189	8.4	1951	4.5	1562	26.7
Prairie Mountain	370	16.4	6400	14.9	1067	18.3
Southern	249	11.1	4130	9.6	840	14.4

*These cases were ascertained from the claims of NFFS physicians receiving partial FFS remuneration in Newfoundland and Labrador, and from the claims of NFFS physicians who shadow bill in Manitoba.
FFS, fee-for-service; NFFS, non-FFS.