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Table 2 Ludwig scale changes in the two studied groups

From: Trichogenic effect of topical ketoconazole versus minoxidil 2% in female pattern hair loss: a clinical and trichoscopic evaluation

VariableGroup A Minoxidil 2% (n = 20)Group B
Ketoconazole 2%
(n = 20)
χ2P
No.%No.%
Ludwig scale: (baseline)
 Stage I0084010.670.005**
 Stage II1680840
 Stage III420420
Ludwig scale: (after 2 months)
 Stage I0084010.670.005**
 Stage II1680840
 Stage III420420
Ludwig scale: (after 4 months)
 Stage I168012604.570.10 NS
 Stage II420420
 Stage III00420
Ludwig scale: (after 6 months)
 Normal42084080.02*
 Stage I1680840
 Stage II00420
P1#1 NS1 NS 
P2#< 0.001**0.13 NS 
P3#< 0.001**0.02* 
  1. #McNemar test
  2. *Significant (P < 0.05)
  3. **Highly significant (P < 0.01)
  4. χ2 Chi square test, P1 baseline versus after 2 months, P2 baseline versus after 4 months, P3 baseline versus after 6 months, NS non-significan0t (P > 0.05)