Table 3 Conditional agreement probabilities for each rater on dichotomized scores.
From: Unsatisfactory reproducibility of interstitial inflammation scoring in allograft kidney biopsy
Score/class | Raters (%, numerator/denominator) | Average | Mean ± SD | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
Rater 1 | Rater 2 | Rater 3 | Rater 4 | Rater 5 | Rater 6 | Rater 7 | Rater 8 | |||
i score | ||||||||||
 0/1 | 52.3 (293/560) | 58.5 (290/496) | 57.0 (351/616) | 56.2 (328/584) | 59.9 (412/688) | 55.6 (356/640) | 60.5 (305/504) | 58.0 (357/616) | 57.2% | 57.2 ± 2.4 |
 2/3 | 34.4 (55/160) | 31.7 (71/224) | 38.5 (40/104) | 36.8 (50/136) | 31.3 (10/32) | 48.8 (39/80) | 33.8 (73/216) | 42.3 (44/104) | 37.2% | 37.2 ± 5.6 |
ti score | ||||||||||
 0/1 | 62.5 (210/336) | 61.6 (133/216) | 62.5 (215/344) | 53.5 (261/488) | 54.8 (342/624) | 50.0 (276/552) | 66.9 (230/344) | 52.6 (349/664) | 58.0% | 58.0 ± 5.7 |
 2/3 | 37.2 (143/384) | 28.0 (141/504) | 39.4 (148/376) | 39.2 (91/232) | 55.2 (53/96) | 47.6 (80/168) | 39.4 (148/376) | 50.0 (28/56) | 42.0% | 42.0 ± 8.0 |
i-IFTA | ||||||||||
 0/1 | 55.1 (163/296) | 65.5 (110/168) | 39.8 (102/256) | 51.6 (227/440) | 50.2 (213/424) | 51.5 (239/464) | 61.3 (152/248) | 40.9 (275/672) | 52.0% | 52.0 ± 8.3 |
 2/3 | 37.5 (159/424) | 30.6 (169/552) | 39.0 (181/464) | 42.1 (118/280) | 43.6 (129/296) | 46.1 (118/256) | 41.5 (196/472) | 56.3 (27/48) | 42.1% | 42.1 ± 6.9 |
Total, (%) | ||||||||||
 Mean ± SD | 46.5 ± 11.8 | 46.0 ± 17.4 | 46.0 ± 11.0 | 46.5 ± 8.1 | 49.2 ± 10.4 | 50.2 ± 3.5 | 50.7 ± 13.9 | 50.0 ± 7.1 | – |  |
 [Min, Max] | [34.0, 63.0] | [28.0, 65.0] | [38.0, 63.0] | [37.0 , 56.0] | [31.0 , 60.0] | [46.0 , 56.0] | [34.0 , 67.0] | [41.0 , 58.0] | – |  |
 [95% CI] | [55.0, 63.0] | [62.0, 65.0] | [57.0, 63.0] | [53.0 , 56.0] | [55.0, 60.0] | [52.0 , 56.0] | [61.0, 67.0] | [56.0 , 58.0] | – |  |
