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©The Author(s) 2025.
World J Gastrointest Endosc. Apr 16, 2025; 17(4): 104097
Published online Apr 16, 2025. doi: 10.4253/wjge.v17.i4.104097
Published online Apr 16, 2025. doi: 10.4253/wjge.v17.i4.104097
Table 1 Baseline data and proportions of pathological diagnoses by biopsy site, n (%)
| Gastroscopes | NAG, % | AG/IM, % | GPLs, % | GC, % | Other tumors, % | |
| Total | 45805 (100) | 62.45 | 28.98 | 5.64 | 2.75 | 0.18 |
| Age groups (median age, 55 years; range: 18-95 years) | ||||||
| 18-49 years | 15005 (32.76) | 25.13 | 6.38 | 0.94 | 0.28 | 0.03 |
| 50-69 years | 25037 (54.66) | 31.69 | 18.02 | 3.53 | 1.32 | 0.10 |
| ≥ 70 years | 5763 (12.58) | 5.64 | 4.58 | 1.17 | 1.15 | 0.05 |
| Sex | ||||||
| Male | 24455 (53.39) | 31.56 | 16.16 | 3.70 | 1.90 | 0.06 |
| Female | 21350 (46.61) | 30.89 | 12.82 | 1.93 | 0.84 | 0.12 |
Table 2 Distribution of diseases in different regions of the stomach, n (%)
| Total | NAG, % | AG/IM, % | GPLs, % | GC, % | Other tumors, % | |
| Total | 53584 (100) | 64.22 | 27.94 | 5.09 | 2.71 | 0.17 |
| Cardia | 2135 (3.98) | 2.47 | 0.99 | 0.25 | 0.27 | 0.00 |
| Gastric body | 13599 (25.38) | 20.36 | 3.46 | 0.60 | 0.96 | 0.10 |
| Antrum | 27201 (50.76) | 31.71 | 15.47 | 2.75 | 0.84 | 0.04 |
| Angularis | 8583 (16.02) | 6.23 | 7.78 | 1.45 | 0.57 | 0.02 |
| Fundus | 1730 (3.23) | 3.09 | 0.06 | 0.02 | 0.05 | 0.01 |
| Pylorus | 336 (0.63) | 0.38 | 0.20 | 0.03 | 0.02 | 0.00 |
Table 3 Relationship between endoscopist biopsy rate and positive/negative lesion detection, n (%)
| Endoscopist | EBR | Gastroscopes | GPCs | GPLs | Negative biopsies | EBR group | OR for GPCs, 95%CI | OR for GPLs, 95%CI | OR for negative biopsies, 95%CI |
| 1 | 13.94% | 1466 | 19 (21.84) | 0 (0) | 63 (72.41) | Low EBR (13.94%-23.44%) | 1.00, - | 1.00, - | 1.00, - |
| 2 | 17.06% | 1668 | 29 (23.58) | 3 (2.44) | 86 (69.92) | ||||
| 3 | 18.95% | 108865 | 527 (29.28) | 136 (7.56) | 1052 (58.44) | ||||
| 4 | 21.23% | 5268 | 118 (25.93) | 22 (4.84) | 303 (66.59) | ||||
| 5 | 21.53% | 32126 | 347 (24.47) | 52 (3.67) | 968 (68.27) | ||||
| 6 | 21.96% | 19484 | 238 (24.64) | 52 (5.38) | 645 (66.77) | ||||
| 7 | 22.15% | 16212 | 280 (23.08) | 66 (5.44) | 820 (67.6) | ||||
| 8 | 22.30% | 7349 | 139 (25.23) | 37 (6.72) | 357 (64.79) | ||||
| 9 | 23.16% | 35092 | 277 (21.9) | 64 (5.06) | 883 (69.8) | ||||
| 10 | 23.44% | 39896 | 487 (28.15) | 113 (6.53) | 1083 (62.6) | ||||
| 11 | 23.48% | 10006 | 267 (30.34) | 37 (4.2) | 551 (62.61) | Moderate EBR (23.45%-25.98%) | 1.16, 1.09-1.24 | 0.95, 0.86-1.05 | 0.89, 0.84-0.94 |
| 12 | 23.67% | 6820 | 189 (28.29) | 31 (4.64) | 429 (64.22) | ||||
| 13 | 23.68% | 16172 | 311 (23.52) | 46 (3.48) | 924 (69.89) | ||||
| 14 | 23.72% | 3992 | 103 (29.26) | 15 (4.26) | 222 (63.07) | ||||
| 15 | 24.18% | 18608 | 350 (29.79) | 52 (4.43) | 737 (62.72) | ||||
| 16 | 24.42% | 27558 | 415 (27.36) | 103 (6.79) | 957 (63.09) | ||||
| 17 | 24.80% | 9816 | 279 (31.89) | 51 (5.83) | 518 (59.2) | ||||
| 18 | 24.96% | 132205 | 1638 (27.42) | 358 (5.99) | 3717 (62.23) | ||||
| 19 | 25.98% | 27800 | 423 (29.27) | 131 (9.07) | 846 (58.55) | ||||
| 20 | 26.35% | 4666 | 171 (36.85) | 24 (5.17) | 255 (54.96) | High EBR (25.99%-31.39%) | 1.28, 1.19-1.38 | 0.94, 0.84-1.05 | 0.82, 0.76-0.88 |
| 21 | 27.49% | 5890 | 185 (29.55) | 21 (3.35) | 398 (63.58) | ||||
| 22 | 28.15% | 22349 | 409 (30.16) | 61 (4.5) | 855 (63.05) | ||||
| 23 | 28.37% | 17985 | 383 (27.81) | 71 (5.16) | 887 (64.42) | ||||
| 24 | 28.90% | 12956 | 412 (27.93) | 86 (5.83) | 947 (64.2) | ||||
| 25 | 29.65% | 18638 | 426 (30.45) | 82 (5.86) | 864 (61.76) | ||||
| 26 | 30.16% | 18413 | 292 (26.67) | 50 (4.57) | 732 (66.85) | ||||
| 27 | 31.08% | 19148 | 397 (33.5) | 64 (5.4) | 698 (58.9) | ||||
| 28 | 31.39% | 25385 | 379 (29.61) | 57 (4.45) | 829 (64.77) | ||||
| 29 | 32.55% | 18142 | 421 (43.49) | 126 (13.02) | 392 (40.5) | Very high EBR (31.40%-40.17%) | 1.48, 1.38-1.58 | 0.9, 0.81-1 | 0.73, 0.68-0.77 |
| 30 | 32.58% | 26041 | 460 (31.68) | 65 (4.48) | 888 (61.16) | ||||
| 31 | 32.69% | 7379 | 244 (28.91) | 50 (5.92) | 519 (61.49) | ||||
| 32 | 33.09% | 12300 | 418 (31.19) | 74 (5.52) | 812 (60.6) | ||||
| 33 | 33.29% | 35746 | 748 (36.65) | 129 (6.32) | 1121 (54.92) | ||||
| 34 | 33.83% | 8756 | 410 (33.61) | 71 (5.82) | 718 (58.85) | ||||
| 35 | 34.89% | 23507 | 488 (29.24) | 81 (4.85) | 1055 (63.21) | ||||
| 36 | 35.98% | 1642 | 72 (24.83) | 5 (1.72) | 207 (71.38) | ||||
| 37 | 40.17% | 12100 | 523 (27.32) | 96 (5.02) | 1269 (66.3) |
Table 4 Relationship between endoscopists qualifications and positive/negative lesion detection, n (%)
| Endoscopist | EBR | Gastroscopes | GPCs | GPLs | Negative biopsies | Qualification group | OR for GPCs, 95%CI | OR for GPLs, 95%CI | OR for negative biopsies, 95%CI |
| 1 | 13.94% | 1466 | 19 (21.84) | 0 (0) | 63 (72.41) | Low qualification (1466-7379) | 1.00, - | 1.00, - | 1.00, - |
| 36 | 35.98% | 1642 | 72 (24.83) | 5 (1.72) | 207 (71.38) | ||||
| 2 | 17.06% | 1668 | 29 (23.58) | 3 (2.44) | 86 (69.92) | ||||
| 14 | 23.72% | 3992 | 103 (29.26) | 15 (4.26) | 222 (63.07) | ||||
| 20 | 26.35% | 4666 | 171 (36.85) | 24 (5.17) | 255 (54.96) | ||||
| 4 | 21.23% | 5268 | 118 (25.93) | 22 (4.84) | 303 (66.59) | ||||
| 21 | 27.49% | 5890 | 185 (29.55) | 21 (3.35) | 398 (63.58) | ||||
| 12 | 23.67% | 6820 | 189 (28.29) | 31 (4.64) | 429 (64.22) | ||||
| 8 | 22.30% | 7349 | 139 (25.23) | 37 (6.72) | 357 (64.79) | ||||
| 31 | 32.69% | 7379 | 244 (28.91) | 50 (5.92) | 519 (61.49) | ||||
| 34 | 33.83% | 8756 | 410 (33.61) | 71 (5.82) | 718 (58.85) | Moderate qualification (7380-17985) | 0.92, 0.84-1 | 1.13, 0.98-1.31 | 1.04, 0.95-1.13 |
| 17 | 24.80% | 9816 | 279 (31.89) | 51 (5.83) | 518 (59.2) | ||||
| 11 | 23.48% | 10006 | 267 (30.34) | 37 (4.2) | 551 (62.61) | ||||
| 37 | 40.17% | 12100 | 523 (27.32) | 96 (5.02) | 1269 (66.3) | ||||
| 32 | 33.09% | 12300 | 418 (31.19) | 74 (5.52) | 812 (60.6) | ||||
| 24 | 28.90% | 12956 | 412 (27.93) | 86 (5.83) | 947 (64.2) | ||||
| 13 | 23.68% | 16172 | 311 (23.52) | 46 (3.48) | 924 (69.89) | ||||
| 7 | 22.15% | 16212 | 280 (23.08) | 66 (5.44) | 820 (67.6) | ||||
| 23 | 28.37% | 17985 | 383 (27.81) | 71 (5.16) | 887 (64.42) | ||||
| 29 | 32.55% | 18142 | 421 (43.49) | 126 (13.02) | 392 (40.5) | High qualification (17986-25385) | 1.03, 0.94-1.12 | 1.20, 1.03-1.39 | 0.92, 0.85-1.00 |
| 26 | 30.16% | 18413 | 292 (26.67) | 50 (4.57) | 732 (66.85) | ||||
| 15 | 24.18% | 18608 | 350 (29.79) | 52 (4.43) | 737 (62.72) | ||||
| 25 | 29.65% | 18638 | 426 (30.45) | 82 (5.86) | 864 (61.76) | ||||
| 27 | 31.08% | 19148 | 397 (33.5) | 64 (5.4) | 698 (58.9) | ||||
| 6 | 21.96% | 19484 | 238 (24.64) | 52 (5.38) | 645 (66.77) | ||||
| 22 | 28.15% | 22349 | 409 (30.16) | 61 (4.5) | 855 (63.05) | ||||
| 35 | 34.89% | 23507 | 488 (29.24) | 81 (4.85) | 1055 (63.21) | ||||
| 28 | 31.39% | 25385 | 379 (29.61) | 57 (4.45) | 829 (64.77) | ||||
| 30 | 32.58% | 26041 | 460 (31.68) | 65 (4.48) | 888 (61.16) | Very high qualification (25386-132205) | 0.98, 0.91-1.07 | 1.32, 1.15-1.52 | 0.93, 0.86-1.00 |
| 16 | 24.42% | 27558 | 415 (27.36) | 103 (6.79) | 957 (63.09) | ||||
| 19 | 25.98% | 27800 | 423 (29.27) | 131 (9.07) | 846 (58.55) | ||||
| 5 | 21.53% | 32126 | 347 (24.47) | 52 (3.67) | 968 (68.27) | ||||
| 9 | 23.16% | 35092 | 277 (21.9) | 64 (5.06) | 883 (69.8) | ||||
| 33 | 33.29% | 35746 | 748 (36.65) | 129 (6.32) | 1121 (54.92) | ||||
| 10 | 23.44% | 39896 | 487 (28.15) | 113 (6.53) | 1083 (62.6) | ||||
| 3 | 18.95% | 108865 | 527 (29.28) | 136 (7.56) | 1052 (58.44) | ||||
| 18 | 24.96% | 132205 | 1638 (27.42) | 358 (5.99) | 3717 (62.23) |
- Citation: Shen Y, Gao XJ, Zhang XX, Zhao JM, Hu FF, Han JL, Tian WY, Yang M, Wang YF, Lv JL, Zhan Q, An FM. Endoscopists and endoscopic assistants’ qualifications, but not their biopsy rates, improve gastric precancerous lesions detection rate. World J Gastrointest Endosc 2025; 17(4): 104097
- URL: https://www.wjgnet.com/1948-5190/full/v17/i4/104097.htm
- DOI: https://dx.doi.org/10.4253/wjge.v17.i4.104097