Table 4 Sample statistics of the hair counts from 3 age groups of the complete data ( n = 48)
Sample statistics | Baseline | Week 4 | Week 8 | Week 14 | Week 20 | Week 26 |
|---|---|---|---|---|---|---|
(a) Age group: Young (40 or below) (n = 10) | ||||||
Minimum | 26.0 | 89.0 | 33.0 | 63.0 | 74.0 | 64.0 |
25% Percentile | 119.8 | 137.8 | 105.0 | 114.8 | 87.8 | 85.5 |
Median | 191.0 | 198.0 | 220.5 | 224.0 | 202.0 | 227.0 |
75% Percentile | 224.8 | 249.3 | 261.0 | 264.8 | 257.8 | 239.5 |
Maximum | 280.0 | 279.0 | 286.0 | 292.0 | 311.0 | 321.0 |
Mean | 170.40 | 193.60 | 188.30 | 203.90 | 187.00 | 192.60 |
Standard deviation | 81.78 | 62.11 | 87.63 | 79.59 | 83.69 | 85.27 |
Standard error | 25.86 | 19.64 | 27.71 | 25.17 | 26.46 | 26.96 |
95% Confidence Interval | (111.9, 228.9) | (149.2, 238.0) | (125.6, 251.0) | (147.0, 260.8) | (127.1, 246.9) | (131.6, 253.6) |
(b) Age group: Mid (between 41 and 50 inclusive) (n = 19) | ||||||
Minimum | 43.0 | 51.0 | 42.0 | 38.0 | 26.0 | 11.0 |
25% Percentile | 138.0 | 155.0 | 152.0 | 159.0 | 157.0 | 147.0 |
Median | 165.0 | 182.0 | 166.0 | 186.0 | 178.0 | 180.0 |
75% Percentile | 194.0 | 207.0 | 208.0 | 219.0 | 204.0 | 228.0 |
Maximum | 269.0 | 262.0 | 272.0 | 259.0 | 265.0 | 264.0 |
Mean | 161.60 | 171.90 | 170.30 | 183.30 | 174.60 | 178.70 |
Standard deviation | 54.98 | 53.10 | 56.82 | 55.01 | 58.58 | 62.84 |
Standard error | 12.61 | 12.18 | 13.03 | 12.62 | 13.44 | 14.42 |
95% Confidence interval | (135.1, 188.1) | (146.4, 197.5) | (142.9, 197.7) | (156.7, 209.8) | (146.3, 202.8) | (148.5, 209.0) |
(c) Age group: Old (between 51 to 60 inclusive) (n = 19) | ||||||
Minimum | 22.0 | 37.0 | 31.0 | 21.0 | 31.0 | 29.0 |
25% Percentile | 109.0 | 114.0 | 110.0 | 126.0 | 133.0 | 114.0 |
Median | 169.0 | 164.0 | 159.0 | 175.0 | 168.0 | 157.0 |
75% Percentile | 203.0 | 203.0 | 206.0 | 196.0 | 203.0 | 206.0 |
Maximum | 297.0 | 302.0 | 329.0 | 335.0 | 308.0 | 320.0 |
Mean | 162.50 | 167.40 | 169.60 | 177.20 | 172.20 | 175.40 |
Standard deviation | 69.56 | 70.61 | 77.89 | 79.36 | 72.17 | 78.97 |
Standard error | 15.96 | 16.20 | 17.87 | 18.21 | 16.56 | 18.12 |
95% Confidence interval | (129.0, 196.1) | (133.4, 201.5) | (132.0, 207.1) | (139.0, 215.5) | (137.4, 206.9) | (137.3, 213.4) |