Table 4a.
Comparison between the Alternative Eight-point GOSE Data Collection Method and the Conventional Structured Interviews: Agreement between a Central Reviewer and the Investigators on Rating Six Sample Case Transcripts
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Investigator rating |
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| GOSE collection method | Transcript | Expert | VS | SD− | SD+ | MD− | MD+ | GR− | GR+ | Agreement |
| Alternative system (n = 60) | A | SD− | 10 | 100% | ||||||
| B | SD+ | 10 | 100% | |||||||
| C | MD− | 10 | 100% | |||||||
| D | MD+ | 10 | 100% | |||||||
| E | MD+ | 1 | 9 | 90% | ||||||
| F | GR− | 1 | 9 | 90% | ||||||
| Overall agreement 97% (weighted κ = 0.97 and 95% confidence interval 0.91, 1.00) | ||||||||||
| Alternative system without central monitoring (n = 66) | A | SD− | 10 | 1 | 92% | |||||
| B | SD+ | 11 | 100% | |||||||
| C | MD− | 1 | 5 | 5 | 45% | |||||
| D | MD+ | 2 | 9 | 82% | ||||||
| E | MD+ | 2 | 9 | 82% | ||||||
| F | GR− | 4 | 6 | 1 | 55% | |||||
| Overall agreement 76% (weighted κ = 0.79 and 95% confidence interval 0.69, 0.89) | ||||||||||
| Conventional structured interview (n = 66) | A | SD− | 6 | 5 | 55% | |||||
| B | SD+ | 9 | 2 | 82% | ||||||
| C | MD− | 1 | 6 | 2 | 2 | 55% | ||||
| D | MD+ | 1 | 7 | 3 | 64% | |||||
| E | MD+ | 1 | 4 | 6 | 55% | |||||
| F | GR− | 2 | 7 | 2 | 64% | |||||
Overall agreement 63% (weighted κ = 0.70 and 95% confidence interval 0.60, 0.81).
GR, good recovery; MD, moderate disability; SD, severe disability; VS, vegetative status; GOSE, extended Glasgow Outcome Scale.