Stroke in Qatar: a decade of insights from a national registry

Figures & data

Table 1. The annual Qatar population census 1950–2024.

Year	2014	2015	2016	2017	2018	2019	2020	2021
Total population	2,214,465	2,414,573	2,595,166	2,711,755	2,766,732	2,807,235	2,760,385	2,688,235
% of the entire population	0,04%	0,04%	0.06%	0.07%	0.08%	0.09%	0.08%	0.08%

Table 2. Summary of variable – comparison between ischemic and hemorrhagic cohorts.

Variable	Ischemic stroke	Hemorrhagic stroke	Association with stroke type (IS vs. ICH)
	Categories/values	Categories/values	P-value (χ^2 and t-test)
Sex	N = 9593	N = 1657	<0.001 (χ^2)
Male	7608 (79.3%)	1378 (83.2%)
Female	1985 (20.7%)	279 (16.8%)
Age	N = 9593	N = 1657	<0.001 (χ^2)
≤40	1389 (14.5%)	357 (21.5%)
41–50	2487 (25.9%)	554 (33.4%)
51–65	3754 (39.1%)	527 (31.8%)
>65	1963 (20.5%)	219 (13.2%)
Mean ± SD (IQR)	54.6 ± 13.5 (18)	50.9 ± 13.1 (17)	<0.001 (t-test)
Ethnicity	N = 9593	N = 1657	<0.001 (χ^2)
Qatari	1721 (17.9%)	224 (13.5%)
MENA	1924 (20.1%)	198 (11.9%)
S. Asia	4720 (49.2%)	885 (53.4%)
S. East Asia	770 (8%)	298 (18%)
Other	458 (4.8%)	52 (3.1%)
NIHSS at presentation	N = 9593	N = 1657	<0.001 (χ^2)
Minor stroke	6512 (67.9%)	455(27.5%)
Moderate stroke	2402 (25%)	606 (36.5%)
Severe stroke	679 (7.1%)	596 (36%)
Mean ± SD (IQR)	4.57 ± 5.7(5)	12 ± 8.7 (16)	<0.001 (t-test)
Body Mass Index (BMI)	N = 9593	N = 1657	<0.001 (χ^2)
Underweight	387 (4%)	164 (9.9%)
Normal weight	2770 (28.9%)	459 (27.7%)
Overweight	3890 (40.6%)	659 (39.8%)
Obese	1726 (18%)	272 (16.4%)
Extremely obese	820 (8.5%)	103 (6.2%)
Diabetes Miletus (DM)	N = 9593	N = 1657	<0.001 (χ^2)
No	4346 (45.3%)	1094 (66%)
Yes	5247 (54.7%)	563 (34%)
Hypertension (HTN)	N = 9593	N = 1657	<0.001 (χ^2)
No	2847 (29.7%)	276 (16.7%)
Yes	6746 (70.3%)	1381 (83%)
Dyslipidemia	N = 9593	N = 1657	<0.001 (χ^2)
No	5206 (54.3%)	1193 (72%)
Yes	4387 (45.7%)	464 (28%)
Coronary Artery Disease (CAD)	N = 9593	N = 1657	<0.001 (χ^2)
No	8421 (87.8%)	1558 (94%)
Yes	1172 (12.2%)	99 (6%)
Atrial Fibrillation (AF)	N = 9593	N = 1657	<0.001 (χ^2)
No	9091 (94.8%)	1609 (97.1%)
Yes	502 (5.2%)	48 (2.9%)
Tobacco user	N = 9593	N = 1657	<0.001 (χ^2)
No	7368 (76.8%)	1485 (89.6%)
Yes	2225 (23.2%)	172 (10.4%)
Hospital-acquired pneumonia	N = 9593	N = 1657	<0.001 (χ^2)
No	9267 (96.6%)	1399 (84.4%)
Yes	326 (3.4%)	258 (15.6%)
Hospital-acquired Urinary Tract Infection	N = 9593	N = 1657	<0.001 (χ^2)
No	9391 (97.9%)	1496 (90.3%)
Yes	202 (2.1%)	161 (9.7%)
Modified Rankin Score at discharge	N = 9570	N = 1656	<0.001 (χ^2)
Favorable (≤2)	6148 (64.1%)	506 (30.6%)
Unfavorable (>2)	3422 (35.7%)	1150 (69.4%)
Mean ± SD (IQR)	1.75 ± 1.8 (3)	3.4 ± 1.9 (3)	0.042 (t-test)
Modified Rankin Score at 90-day follow-up	N = 9593	N = 1257	<0.001 (χ^2)
Favorable (≤2)	5418 (56.5%)	515 (31.1%)
Unfavorable (>2)	2029 (21.2%)	742 (44.8%)
Missed 90-day follow-up	2146 (22.4%)	400 (24.1%)
Mean ± SD (IQR)	1.4 ± 1.8 (3)	2.97 ± 2.2 (4)	<0.001 (t-test)
Mortality	N = 9593	N = 1657	<0.001 (χ^2)
No	9286 (96.8%)	1448 (87.4%)
Yes	307 (3.2%)	209 (12.6%)
TOAST+ classification	N = 9593
LVD	1358 (14.2%)
Embolic	962 (10%)
SVD	2935 (30.6%)
SDO	784 (8.2%)
SUO	2144 (22.3%)
TIA	1410 (14.7%)
Thrombolysis	N = 9593
No	8680 (90.5%)
Yes	913 (9.5%)
Thrombectomy	N = 9593
No	9271 (96.6%)
Yes	322 (3.4%)
Thrombolysis and Thrombectomy	N = 9593
No	9408 (98%)
Yes	185 (2%)
Thrombolysis door-to-needle time (min)	N = 913
Mean ± SD (IQR)	61.2 ± 38.5 (39)
Thrombectomy door-to-groin time (min)	N = 73
Mean ± SD (IQR)	170 ± 77.5 (73)
Post thrombolysis bleeding	N = 913
No	857 (93.9%)
Yes	56 (6.1%)
Post-thrombolysis Intracranial bleeding	N = 913
No	883 (96.9%)
Yes	28 (3.1%)

Figure 1. Annual stroke cases.

Figure 2. Annual thrombolysis and thrombectomy procedures.

Figure 3. Annual admission per location.

Figure 4. Annual mortality per diagnosis.

Figure 5. Thrombolysis door-needle-time.

Figure 6. Thrombectomy door-to-groin time.

Data availability statement

The datasets generated and/or analyzed during the current study are available from the corresponding author on reasonable request and subject to appropriate ethical approvals.