Table 1.
Mean values and intergroup comparison between all stages of OSCC and precancerous conditions for insulin growth factor-1
| IGF-1 | Stage I | Stage II | Stage III | Stage IV | OSMF | Erythroplakia | |
|---|---|---|---|---|---|---|---|
| Mean | 101.5500 | 83.8500 | 71.4500 | 60.3000 | 131.1000 | 132.4500 | |
| SD | 9.81124 | 7.52732 | 7.97678 | 10.35222 | 5.81197 | 6.09119 | |
| One-way ANOVA for intergroup comparison between all stages of OSCC and PCC for IGF-1 | |||||||
| Source | SS | Degrees of freedom (νν) | MS | F statistic | P | ||
| Treatment | 92,250.9667 | 5 | 18,450.1933 | 280.5402 | 1.1102e-16* | ||
| Error | 7,497.4000 | 114 | 65.7667 | ||||
| Total | 99,748.3667 | 119 | |||||
*P<0.05 is significant. SS: Sum of squares, MS: Mean square, SD: Standard deviation, PCC: Precancerous conditions, IGF: Insulin growth factor, OSMF: Oral submucous fibrosis, OSCC: Oral squamous cell carcinoma