Table 1 Comparison between the two studied groups regarding the demographic and preoperative clinical data
From: Evaluation of the use of autologous platelet-rich fibrin in myringoplasty operation
Variable | Cases (group A) (n = 50) | Control (group B) (n = 50) | Test of sig. | p | ||
|---|---|---|---|---|---|---|
No. | % | No. | % | |||
Sex | ||||||
 Male | 21 | 42.0 | 20 | 40.0 | χ2 = 0.041 | 0.839 |
 Female | 29 | 58.0 | 30 | 60.0 | ||
Age (years) | ||||||
 Min.–max. | 19.0–40.0 | 19.0–45.0 | t = 0.848 | 0.398 | ||
 Mean ± SD. | 31.04 ± 6.74 | 32.24 ± 7.39 | ||||
 Median (IQR) | 33.0 (25.0–37.0) | 35.0 (26.0–38.0) | ||||
Size of perforation |  |  |  |  | χ2 = 0.071 | 0.790 |
 Medium | 41 | 82.0 | 42 | 84.0 | ||
 Large | 9 | 18.0 | 8 | 16.0 | ||
Hemoglobin concentration | ||||||
 Min.–max. | 10.10–13.90 | 10.40–14.70 | t = 0.873 | 0.385 | ||
 Mean ± SD. | 12.12 ± 0.79 | 12.28 ± 0.99 | ||||
 Median (IQR) | 12.20 (11.40–12.60) | 12.20 (11.60–13.0) | ||||
Platelet count | ||||||
 Min.–max. | 172.0–453.0 | 177.0–447.0 | t = 0.867 | 0.388 | ||
 Mean ± SD. | 295.6 ± 72.34 | 283.6 ± 66.67 | ||||
 Median (IQR) | 280.5 (244.0–342.0) | 264.0 (245.0–309.0) | ||||
Preoperative ABG | Â | Â | t = 1142.50 | 0.452 | ||
 Min.–max. | 21.0–37.0 | 26.0–40.0 | ||||
 Mean ± SD | 31.56 ± 5.12 | 32.68 ± 3.94 | ||||
 Median (IQR) | 32.0 (27.0–36.0) | 32.0 (27.0–36.0) | ||||