Low prevalence of patients diagnosed with psoriasis in Nuuk: a call for increased awareness of chronic skin disease in Greenland

Figures & data

Table 1. Age- and gender-specific prevalence of psoriasis in Nuuk

Prevalence (%) in age groups	Females % (95% CI) (n/N)	Males % (95% CI) (n/N)	p	Total % (95% CI) (n/N)
0–19 years	0.1 (−0.0–0.3) (3/2,321)	0.2 (0.1–0.4) (6/2,478)	0.366	0.2 (0.1–0.3) (9/4,799)
20–29 years	0.5 (0.2–0.9) (8/1,519)	0.5 (0.2–0.9) (8/1,543)	0.975	0.5 (0.3–0.8) (16/3,062)
30–39 years	1.3 (0.8–1.9) (23/1,729)	1.2 (0.7–1.7) (21/1,811)	0.647	1.2 (0.9–1.6) (44/3,540)
40–49 years	1.1 (0.5–1.7) (12/1,093)	1.2 (0.6–1.7) (16/1,389)	0.899	1.1 (0.7–1.5) (28/2,482)
50–59 years	1.6 (0.9–2.3) (21/1,326)	1.3 (0.7–1.9) (20/1,526)	0.541	1.4 (1.0–1.9) (41/2,852)
60–69 years	0.8 (0.2–1.4) (7/844)	1.8 (1.0–2.6) (19/1.054)	0.070	1.4 (0.9–1.9) (26/1,898)
70–79 years	2.1 (0.3–3.9) (5/241)	1.9 (0.3–3.5) (5/269)	0.861	2.0 (0.8–3.2) (10/510)
80+ years	0.0 (0.0–0.0) (0/58)	1.7 (−1.6–4.9) (1/60)	0.323	0.9 (−0.8–2.5) (1/118)
20+ years	1.1 (0.87–1.37) (76/6,810)	1.2% (0.93–1.42) (90/7,652)	0.735	1.1% (0.97–1.32) (166/14,462)
Total	0.9 (0.7–1.1) (79/9,131)	1.0 (0.8–1.1) (96/10,130)	0.547	0.9 (0.8–1.0) (175/19,261)

n/N number of patients/population.

Table 2. Characteristics of patients with psoriasis in Nuuk (females and males) and a control group matched according to age and gender

Characteristics	Females		Males		p	Total		Control group		p
	Mean (SD)	N	Mean (SD)	N		Mean (SD)	N	Mean (SD)	N
Age (years)	45 (15.5)	79	46 (17.5)	96	0.554	45 (16.6)	175	45 (16.6)	350	>0.999
BMI (kg/m^2)	31.6 (7.7)	40	29.2 (5.2)	42	0.100	30.4 (6.6)	82	29.2 (7.3)	120	0.254
Height (cm)	158 (11.9)	40	172 (15.6)	42	<0.001	165 (15.4)	82	165 (17.4)	121	0.908
Weight (kg)	80 (22.7)	41	89 (22.3)	43	0.090	84 (22.8)	84	81 (22.8)	127	0.291
Blood pressure: Systolic (mmHg) Diastolic(mmHg)	126 (13.8) 78 (8.4)	30 30	140 (15.1) 86 (10.4)	36 36	<0.001 <0.005	134 (16.0) 82 (10.3)	66 66	133 (16.1) 83 (10.0)	114 114	0.790 0.905
HbA1c (mmol/mol)	39.9 (8.2)	66	41.9 (12.3)	55	0.299	40.8 (10.3)	121	40.0 (10.2)	203	0.480
	% (n)	N	% (n)	N	p	% (n)	N	% (n)	N	p
Daily smoking	44.3 (35)	79	37.5 (36)	96	0.362	40.6 (71)	175	32.9 (115)	350	0.081
Any chronic disease*	30.4 (24)	79	27.1 (26)	96	0.631	28.6 (50)	175	20.9 (73)	350	<0.05
- COPD diagnosis	13.9 (11)	79	5.2 (5)	96	<0.05	9.1 (16)	175	5.1 (18)	350	0.079
- Asthma diagnosis	12.7 (10)	79	1.0 (1)	96	<0.05	6.3 (11)	175	2.6 (9)	350	<0.05
- Diabetes diagnosis	8.9 (7)	79	9.4 (9)	96	<0.05	9.1 (16)	175	4.3 (15)	350	<0.05
- Hypertension diagnosis	21.5 (17)	79	22.9 (22)	84	0.825	22.3 (39)	175	18.0 (63)	350	0.242

HbA1c: glycated haemoglobin. % refers to the percentage of patients with available data. *Any chronic disease = COPD, Asthma, Diabetes and/or Hypertension.