Table 1.
Linear regression analysis of INSL3 vs baseline and stimulated LH, FSH, testosterone in the delayed puberty and adult cohorts.
| Boys with CHH | Boys with CDGP | Men with CHH | Eugonadal men | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| INSL3 versus | INSL3 versus | ||||||||||||
| r | r 2 | P-value | r | r 2 | P-value | r | r 2 | P-value | r | r 2 | P-value | ||
| Baseline LH (IU/L) | 0.24 | 0.11 | 0.39 | 1.205 | 0.07 | 0.05 | Baseline LH (IU/L) | 1.78 | 0.17 | 0.07 | 0.56 | 0.04 | 0.38 |
| 4hr LH (IU/L) (GnRHa) | -2.76 | 0.005 | 0.85 | 23.48 | 0.17 | 0.003 | 30min LH (IU/L) (GnRH) | 12.69 | 0.03 | 0.48 | 4.54 | 0.03 | 0.47 |
| 24hr LH (IU/L) (GnRHa) | -0.75 | 0.005 | 0.86 | 9.75 | 0.26 | 0.0001 | 4hr LH (IU/L) (GnRH) | 6.90 | 0.07 | 0.25 | 1.16 | 0.03 | 0.45 |
| Baseline FSH (IU/L) | 2.74 | 0.23 | 0.19 | 1.26 | 0.06 | 0.09 | Baseline FSH (IU/L) | 2.51 | 0.15 | 0.10 | 1.21 | 0.24 | 0.02 |
| 4hr FSH (IU/L) (GnRHa) | -3.92 | 0.003 | 0.88 | -5.9 | 0.04 | 0.14 | 30min FSH (IU/L) (GnRH) | 3.83 | 0.03 | 0.46 | 2.63 | 0.16 | 0.08 |
| 24hr FSH (IU/L) (GnRHa) | -10.93 | 0.21 | 0.22 | -1.26 | 0.005 | 0.61 | 4hr FSH (IU/L) (GnRH) | 3.78 | 0.04 | 0.40 | 1.93 | 0.16 | 0.08 |
| Baseline T (nmol/L) | 0.80 | 0.03 | 0.65 | 4.75 | 0.30 | <0.0001 | Baseline T (nmol/L) | 16.26 | 0.09 | 0.19 | 3.74 | 0.04 | 0.36 |
| 4hr T (nmol/L) (GnRHa) | -0.49 | 0.02 | 0.72 | 9.47 | 0.50 | <0.0001 | 30min T (nmol/L) (GnRH) | 17.86 | 0.12 | 0.13 | 4.71 | 0.08 | 0.23 |
| 24hr T (nmol/L) (GnRHa) | -0.47 | 0.01 | 0.79 | 23.33 | 0.60 | <0.0001 | 4hr T (nmol/L) (GnRH) | 18.03 | 0.09 | 0.19 | 7.16 | 0.22 | 0.03 |
Statistically significant results are highlighted in bold. The regression coefficient r is presented, as well as r2 and p-value after linear regression. CHH, congenital hypogonadotrophic hypogonadism; CDGP, constitutional delay of growth and puberty; LH, luteinising hormone; FSH, follicle stimulating hormone; T, testosterone; GnRH, gonadotrophin releasing hormone; GnRHa, gonadotrophin releasing hormone agonist.