Table 2.
comparison of penile length in countries mentioned in the article
| Country | References | Sample size | Mean age/SD/range | FPL | SPL | r; p (Ht. &FPL) | r; p (Ht.& SPL) |
|---|---|---|---|---|---|---|---|
| Study (Nigeria) | Group I | 97 | 38.4±6.9(20-50) | 9.8±2.7 | 10.6±2.2 | 0.218; <0.003 | 0.305; <0.002 |
| Group II | 174 | 68±9.1(51-98) | 13±2.9 | 14.1±2.1 | 0.166 ; <0.003 | 0.183; <0.015 | |
| Overall | 271 | 57.3±16.4(21-98) | 10.3±2.4 | 13.7±2.5 | - | - | |
| China | Chen et al | 5196 | -(18-60) | 6.5±0.7 | 12.9±1.2 | - | - |
| India | Promodu et al | 301 | 31.58(18-60) | 8.2±1.4 | 10.8±1.4 | - | - |
| Iran | Mehraban et al | 1500 | 29.61(20-40) | - | 11.6 | - | - |
| Italy | Ponchietti et al | 3300 | -(17-19) | 9 | 12.5 | - | - |
| Nigeria | Ajimani et al | 320 | -(17-23) | 8.6±0.94 | - | - | - |
| Nigeria | Orakwe et al | 115 | 42.3(30-60) | - | 13.37 | - | - |
| United Kingdom | Veale et al | 15,521 | - | 9.2±1.6 | 13.24±1.89 | - | - |
| Abbreviations: | SD, standard deviation; F, flaccid; S, stretched, PL, penile length; r, Pearson´s coefficient; p, p value < 0.05 |