Table 2.
Description of retrospective cohort studies
| Study | Country | Study type | Patient (n) | Aim | QOL instruments | Follow-up |
|---|---|---|---|---|---|---|
| Amemiya et al. [36] | Japan | Retrospective | 223 | Patients older than 75 years | SF-12 EQ-5D |
Baseline, 1,3 and 6 months |
| Rausei et al. [37] | Italy | Retrospective | 103 | Total versus subtotal resection, lymphadenectomy and multivisceral resection | EORTC QLQ-C30 EORTC QLQ-STO22 | Mean follow-up 81 ± 80.7 months |
| Park et al. [38] | Korea | Retrospective | 275 | Total versus subtotal/distal resection | EORTC QLQ-C30 EORTC QLQ-STO22 | Baseline, 3, 6, 9, 12, 18 and 24 months |
| Díaz de Liaño et al. [39] | Spain | Retrospective | 54 | Total versus subtotal gastrectomy and D1 versus D2 lymphadenectomy | EORTC QLQ-C30 | 49 months (range 41–89) |
| Buhl et al. [40] | Germany | Retrospective | 104 | Distal versus total gastrectomy with Roux-en Y or pouch | Spitzer index | 12 months |
| Bae et al. [41] | Korea | Retrospective | 391 | Total versus subtotal | EORTC QLQ-C30 EORTC QLQ-STO22 | 27.5 ± 3.3 months |
| Huang et al. [42] | Taiwan | Retrospective | 51 | Total versus subtotal gastrectomy, early versus late stage | EORTC QLQ-C30 EORTC QLQ-STO22 | 17 months (range 6–24 months) |
| Soo Lee et al. [43] | Korea | Retrospective | 80 | Open versus laparoscopy-assisted distal gastrectomy | EORTC QLQ-C30 EORTC QLQ-STO22 | 6 months to 5 year range |
| Tyrvainen et al. [44] | Finland | Retrospective | 172 | QOL in long-term survivors after total gastrectomy | SF-36 15D |
Median 9 (6–19) years |
| Nakamura et al. [11] | Japan | Retrospective | 883 | Development and validation of DAUGS | DAUGS20 | 3 and 6 months, 1, 2 and 3 years |
| Nakamura et al. [45] | Japan | Retrospective | 165 | Evaluate DAUGS in patients after gastric resection | DAUGS32 | 3–6 months, 6–1 year, 1–2 years, 1–3 years |
| Kong et al. [46] | Korea | Retrospective | 272 | Chronological change of QOL after gastrectomy | EORTC QLQ-C30 EORTC QLQ-STO22 |
Baseline, 3, 6, 9 and 12 months |
| Soo Lee et al. [47] | Korea | Retrospective | 143 | QOL 5 years or more after total gastrectomy | EORTC QLQ-C30 EORTC QLQ-STO22 |
Mean 89.3 (range 66–201) months |
| Soo Lee et al. [48] | Korea | Retrospective | 126 | QOL of long-term survivors after distal subtotal gastrectomy | EORTC QLQ-C30 EORTC QLQ-STO22 |
5 years |