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Table 4 Comparison of prevalence of lower urinary tract symptoms in terms of individual and clinical characteristics based on the International Prostate Symptom Score (I-PSS)

From: The prevalence of lower urinary tract symptoms based on individual and clinical parameters in patients with multiple sclerosis

Age group (year) [n (%)] No symptoms Mild (1–7) Moderate(8–19) Severe (20–35) P
18–30 44 (23.4) 87 (46.3) 46 (24.5) 11 (5.8) <  0.001*
30–40 33 (13.4) 111 (44.9) 83 (33.6) 20 (8.1)
40–50 17 (10.2) 62 (37.1) 68 (40.7) 20 (12.0)
Age (year) [Mean (SD)] 32.63 (7.48) 34.50 (7.87) 37.51 (7.98) 37.60 (8.33) <  0.001**
BMI (kg/m2) 23.69(3.88) 24.22(4.25) 24.31(4.51) 23.93(4.16) 0.670**
Sex n (%)
 Female 72 (15.2) 210 (44.3) 160 (33.8) 32 (6.7) 0.024*
 Male 22 (17.1) 50 (39.2) 37 (28.9) 19 (14.8)
Marital status [n (%)]
 Single 31 (20.8) 61 (40.9) 44 (29.6) 13 (8.7) 0.051*
 Married 60 (14.5) 187 (45.1) 137 (33) 31 (7.4)
 Divorced and widowed 3 (7.9) 12 (31.6) 16 (42.1) 7 (18.4)
Duration of marriage (year) 12.34(8.09) 13.57(8.24) 18.33(8.76) 15.65(10.01) <  0.001**
Education level [n (%)]
 Secondary school or below 12 (8.3) 47 (32.4) 70 (48.3) 16 (11) <  0.001*
 High school 29 (13.6) 110 (51.6) 60 (28.2) 14 (6.6)
 University 53 (21.7) 103 (42.2) 67 (27.5) 21 (8.6)
Disease duration (year) [n (%)]
  < 5 45 (19.5) 115 (49.8) 62 (26.8) 9 (3.9) <  0.001*
 5–10 34 (16.1) 91 (43.2) 71 (33.6) 15 (7.1)
  > 10 15 (9.4) 54 (33.8) 64 (40.0) 27 (16.8)
EDSS (Expanded Disability Status Scale) [n (%)]
 1–3 85 (19.5) 212 (49.2) 112 (26.0) 23 (5.3) <  0.001*
 3.5–6.5 7 (4.6) 43 (28.5) 76 (50.5) 25 (14.6)
  ≤ 7 3 (15) 5 (25) 9 (45) 3 (15)
Course disease [n (%)]
 Relapsing remitting 79 (17.3) 215 (46.9) 132 (28.8) 32 (7.0) <  0.001*
 Progressive 6 (5.2) 31 (26.7) 60 (51.7) 19 (16.4)
 CIS 9 (32.1) 14 (50.0) 5 (17.9) 0 (0.0)
Anxiety [Mean (SD)] 10.59(8.36) 13.28(9.07) 15.34(9.24) 15.37(8.10) <  0.001**
Depression [Mean (SD]) 11.00(8.78) 13.70(9.30) 17.25(10.09) 16.35(8.44) <  0.001**
Stress [Mean (SD)] 17.72(10.43) 19.63(10.25) 21.97(9.78) 20.82(8.04) 0.005**
  1. EDSS Expanded Disability Status Scale; CIS: Clinically isolated syndrome; Values are means ± SD; *P-value resulted from Chi-Square and **P-value resulted from ANOVA Tests