Respiratory tract infections in Norwegian primary care 2006–2015: a registry-based study

Figures & data

Table 1. Consultations for any diagnosis and for respiratory tract infection (RTI) diagnoses in Norwegian daytime general practice (DGP) and out-of-hours (OOH) services (2006–2015).

	Consultations for any diagnosis						Respiratory tract infection consultations
	GP + OOH		GP		OOH		OOH + GP		GP		OOH
	n	%	n	%	n	%	n	%	n	%	n	%
Total	140 199 637	100^a	127 389 382	90.9^a	12 810 255	9.1^a	16 304 777	100^a	13 560 052	83.2^a	2 744 725	16.8^a
Sex
Male	59 049 592	42.1	52 958 422	41.6	6 091 170	47.5	7 157 919	43.9	5 872 171	43.3	1 285 748	46.8
Female	81 149 996	57.9	74 430 921	58.4	6 719 075	52.5	9 146 852	56.1	7 687 877	56.7	1 458 975	53.2
Missing	49		39		10		6		4		2
Age group
0–4	7 469 970	5.3	5 699 054	4.5	1 770 916	13.8	3 088 545	18.9	2 332 538	17.2	756 007	27.5
5–14	8 044 813	5.7	6 632 863	5.2	1 411 950	11.0	1 844 873	11.3	1 470 516	10.8	374 357	13.6
15–24	12 912 593	9.2	10 962 960	8.6	1 949 633	15.2	1 984 711	12.2	1 598 452	11.8	386 259	14.1
25–34	17 936 332	12.8	16 204 321	12.7	1 732 011	13.5	2 063 879	12.7	1 733 593	12.8	330 286	12.0
35–44	19 466 283	13.9	17 906 604	14.1	1 559 679	12.2	2 142 618	13.1	1 847 838	13.6	294 780	10.7
45–54	19 361 034	13.8	18 077 251	14.2	1 283 783	10.0	1 693 016	10.4	1 495 091	11.0	197 925	7.2
55–64	19 962 550	14.2	18 834 073	14.8	1 128 477	8.8	1 597 455	9.8	1 426 344	10.5	171 111	6.2
65–74	16 469 661	11.7	15 611 736	12.3	857 925	6.7	1 023 910	6.3	913 590	6.7	110 320	4.0
75–84	13 145 913	9.4	12 430 614	9.8	715 299	5.6	631 421	3.9	549 842	4.1	81 579	3.0
85–	5 430 438	3.9	5 029 866	3.9	400 572	3.1	234 343	1.4	192 244	1.4	42 099	1.5
Missing	50		40		10		6		4		2
Season
January–March	36 239 587	25.8	33 101 417	26.0	3 138 170	24.5	5 370 444	32.9	4 509 655	33.3	860 789	31.4
April–June	34 630 198	24.7	31 357 589	24.6	3 272 609	25.5	3 377 505	20.7	2 764 427	20.4	613 078	22.3
July–September	32 226 854	23.0	29 069 703	22.8	3 157 151	24.6	2 978 600	18.3	2 473 671	18.2	504 929	18.4
October–December	37 102 998	26.5	33860 673	26.6	3 242 325	25.3	4 578 228	28.1	3 812 299	28.1	765 929	27.9
CRP
No	118 535 702	84.5	109 854 835	86.2	8680 867	67.8	7 145 068	43.8	6 102 459	45.0	1 042 609	38.0
Yes	21 663 935	15.5	17 534 547	13.8	4 129 388	32.2	9 159 709	56.2	7 457 593	55.0	1 702 116	62.0
Sickness certificate^b
No	68 938 272	76.9	62 522 490	75.8	6 415 782	90.7	6 021 680	68.1	5 007 455	65.8	1 014 225	82.6
Yes	20 658 152	23.1	19 997 369	24.2	660 783	9.3	2 814 832	31.9	2 601 206	34.2	213 626	17.4
Total	89 596 424	100	82 519 859	100	7 076 565	100	8 836 512	100	7 608 661	100	1 227 851	100

Distribution within sex, age, season, point-of-care CRP, and sickness certificate is given by column if not otherwise stated.

^aPercentage of service type (DGP and OOH services) for consultations ‘any diagnosis’ and ‘respiratory tract infection consultations’ respectively.

^bAnalyses of sickness certificate are restricted to patients aged 20–67 years.

Table 2. Annual consultations per 1000 inhabitants for any diagnoses and for respiratory tract infection (RTI) diagnoses, and percentage of RTI consultations in relation to the total, in Norwegian daytime general practice (DGP) and out-of-hours (OOH) services (2006–2015).

	GP + OOH			GP			OOH
Year	Any diagnosis	RTI	%	Any diagnosis	RTI	%	Any diagnosis	RTI	%
2006	2 650	335	12.6	2 397	275	11.5	253	60	23.9
2007	2 686	343	12.8	2 432	283	11.6	253	60	23.8
2008	2 788	336	12.1	2 520	275	10.9	268	62	23.0
2009	2 805	341	12.2	2 539	281	11.1	266	61	22.9
2010	2 887	326	11.3	2 620	268	10.2	267	58	21.7
2011	2 973	353	11.9	2 704	294	10.9	269	59	22.1
2012	2 983	359	12.0	2 715	300	11.0	268	59	22.1
2013	2 939	322	10.9	2 678	271	10.1	261	51	19.5
2014	2 957	304	10.3	2 698	258	9.5	259	47	18.0
2015	2 940	314	10.7	2 687	269	10.0	253	46	18.1
Total	2 864	333	11.6	2 603	277	10.6	262	56	21.4

Figure 1. Seasonal respiratory tract infection (RTI) consultations in Norway (2006–2015).

Figure 2. (A and B) Annual percentage of consultations with point-of-care C-reactive protein (CRP) test use, by respiratory tract infection (RTI) status, in Norwegian daytime +general practice and out-of-hours services (2006–2015).

Figure 3. (A and B) Annual percentage of consultations with sickness certificate issuing, by respiratory tract infection (RTI) status, in Norwegian daytime general practice and out-of-hours services (2006–2015).