Target nail attribute | 1 week | 2 weeks | 4 weeks | ||||||
| n | % | 95% CIa | n | % | 95% CIa | n | % | 95% CIa |
Thickening | 18 | 28 | 17 to 40 | 34 | 52 | 40 to 65 | 45 | 69 | 57 to 80 |
Discoloration | 36 | 55 | 43 to 68 | 45 | 69 | 57 to 80 | 47 | 72 | 60 to 83 |
Brittleness | 19 | 29 | 19 to 42 | 30 | 46 | 34 to 59 | 33 | 51 | 38 to 63 |
Softness | 23 | 35 | 24 to 48 | 31 | 48 | 35 to 60 | 41 | 63 | 50 to 75 |