Table 1.
Intraobserver and Interobserver Agreement and Consistency of Semiautomatic (SA) Measurements Assessed by ICC.
| Interobserver (SA) | Intraobserver (SA) | |||||
|---|---|---|---|---|---|---|
| Agreement (95% CI) |
Consistency (95% CI) |
P Valuea | Agreement (95% CI) |
Consistency (95% CI) |
P Valuea | |
| HVA | 1 (0.999, 1.000) | 1 (0.999, 1.000) | <.001* | 1 (0.999, 1.000) | 1 (0.999, 1.000) | <.001* |
| IMA | 1 (1.000, 1.000) | 1 (1.000, 1.000) | <.001* | 1 (0.999, 1.000) | 1 (0.999, 1.000) | <.001* |
| IPA | 0.973 (0.932, 0.989) | 0.972 (0.930, 0.989) | <.001* | 0.998 (0.996, 0.999) | 0.998 (0.996, 0.999) | <.001* |
| 1stMPP | 1 (0.999, 1.000) | 1 (0.999, 1.000) | <.001* | 1 (0.999, 1.000) | 1 (0.999, 1.000) | <.001* |
| 1stML | 1 (1.000, 1.000) | 1 (1.000, 1.000) | <.001* | 1 (1.000, 1.000) | 1 (1.000, 1.000) | <.001* |
| 2ndML | 1 (1.000, 1.000) | 1 (1.000, 1.000) | <.001* | 1 (1.000, 1.000) | 1 (1.000, 1.000) | <.001* |
| 1stMD | 0.999 (0.998, 1.000) | 0.999 (0.998, 1.000) | <.001* | 1 (0.999, 1.000) | 1 (1.000, 1.000) | <.001* |
| 2ndMD | 1 (1.000, 1.000) | 1 (1.000, 1.000) | <.001* | 1 (1.000, 1.000) | 1 (1.000, 1.000) | <.001* |
| MPE | 0.999 (0.997, 1.000) | 0.999 (0.997, 1.000) | <.001* | 0.998 (0.996, 0.999) | 0.998 (0.995, 0.999) | <.001* |
Abbreviations:1stMD, first metatarsal declination angle; 1stML, first metatarsal length; 1stMPP, first metatarsal-proximal phalanx angle; 2ndMD, second metatarsal declination angle; 2ndML, second metatarsal length; HVA, hallux valgus angle; IMA, intermetatarsal angle; IPA, interphalangeal angle; MPE, metatarsus primus elevatus; SA, semiautomatic measurement.
a
P values are based on F tests inherent in function icc/R package irr.
*
Statistical significance, P < .05.