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Table 4 The comparisons of baseline characteristics and any-cause death during follow-up period between the completed follow-up patients and lost to follow-up patients.

From: Long-term prognosis of symptomatic isolated middle cerebral artery disease in Korean stroke patients

  IMCAD (N = 141) Completed follow-up (n = 113) Lost follow-up (n = 28) P
Age - mean (SD), years 64.4 (12.5) 64.7 (12.0) 63.1 (14.4) 0.558
Male sex (%) 74 (52.5) 61 (54.0) 13 (46.4) 0.474
Hypertension - no. (%) 87 (61.7) 73 (64.6) 14 (50.0) 0.155
Diabetes mellitus - no. (%) 40 (28.4) 29 (25.7) 11 (39.3) 0.152
Smoking (ever) - no. (%) 46 (32.6) 39 (34.5) 7 (25.0) 0.336
Dyslipidemia - no. (%) 53 (37.6) 41 (36.3) 12 (42.9) 0.520
Time from stroke onset to admission     0.527
   24 hours -no. (%) 78 (55.3) 64 (56.6) 14 (50.0)  
   > 24 hours-no (%) 63 (44.7) 49 (43.4) 14 (50.0)  
Qualifying event     0.457
   Stroke - no. (%) 130 (92.2) 105 (92.9) 25 (89.3)  
   TIA - no. (%) 11 (7.8) 8 (7.1) 3 (10.7)  
NIHSS on admission - mean (SD) 6.1 (6.0) 6.3(6.3) 5.3 (4.8) 0.420
mRS on discharge - mean (SD) 2.1 (1.5) 2.1 (1.6) 1.9 (1.4) 0.671
IMCAD     0.805
   MCA stenosis ≥ 50% 98 (69.5) 78 (69.0) 20 (71.4)  
   MCA occlusion 43 (30.5) 35 (31.0) 8 (28.6)  
Any-cause Death 20 (14.2) 16 (14.2) 4 (14.3) 1.00