Table 1.
Study characteristics of the 17 with low risk of bias overall.
| Author, year Country, language | Population | Procedures | Prediction technique | Time to postoperative lung function | Sample analysed (total) | Outcomes | Analysis |
|---|---|---|---|---|---|---|---|
| Fourdrain et al., 2017 [11] France, English | N = 23 82.6% male Mean age 61 | Lobectomy & Pneumonectomy | Segment counting Subsegment counting Perfusion scintigraphy Ventilation scintigraphy CT partial density & volume | 3 months | 23 (37) | FEV1 | Mean difference Correlation |
| Yabuuchi, 2016[12] Japan, English | N = 49 53.1% male Mean age 67 | Lobectomy | Subsegment counting CT volumetry CT volume & density | 6–7 months | 49 (49) | FEV1 Change only | Mean difference Correlation |
| Ohno, 2015[13] Japan, English | N = 60 65.0% male Mean age 68 | Segmentectomy, lobectomy & bilobectomy | Segment counting Perfusion scintigraphy CT volume & density MRI perfusion | 6 months | 60 (60) | FEV1 % only | Mean difference Correlation |
| Chae, 2013[14] Korea, English | N = 51 74.5% male Mean age 64 | Lobectomy & pneumonectomy | Perfusion scintigraphy CT perfusion | 6 months | 51 (67) | FEV1 | Mean difference Correlation |
| Yanagita, 2013[15] Japan, English | N = 30 63.3% male Mean age 70 | Lobectomy & pneumonectomy | SPECT CT ventilation | 6 months | 30 (34) | FEV1 | Mean difference Correlation |
| Yamashita, 2010[16] Canada, English | N = 14 60.0% male Mean age 65 | Lobectomy & pneumonectomy | Perfusion scintigraphy CT perfusion | 3 months | 14 (25) | FEV1 | Mean difference Correlation |
| Yoshimoto, 2009[17] Japan, English | N = 37 59.4% male Mean age 65 | Lobectomy | Segment counting CT volume & density SPECT–CT | 3 months | 37 (37) | FEV1 | Mean difference Correlation |
| Ohno, 2007[18] Japan, English | N = 60 50.0% male Mean age 70 | Lobectomy & pneumonectomy | Perfusion scintigraphy Ventilation scintigraphy SPECT SPECT–CT | 6 months | 60 (60) | FEV1 % only | Mean difference Correlation |
| Sudoh, 2006[19] Japan, English | N = 22 86.4% male Mean age 71 | Lobectomy & segmentectomy | Subsegment counting SPECT–CT | 3–4 months | 22 (22) | FEV1 | Correlation |
| Wang, 2006[20] Canada, English | N = 28 61.0% male Mean age 65 | Segmentectomy, lobectomy & pneumonectomy | Segment counting | 12 months | 28 (57) | DLCO % only | Mean difference |
| Wu, 2002[21] Taiwan, English | N = 34 79.5% male Mean age 67 | Lobectomy & pneumonectomy | Perfusion scintigraphy CT volume & density | 3 months | 34(52) | FEV1 | Mean difference Correlation |
| Beccaria, 2001[22] Italy, English | N = 62 82.3% male Mean age 62 | Lobectomy & pneumonectomy | Segment counting | 6 months | 62 (93) | FEV1 | Correlation |
| Larsen, 1997[23] Denmark, English | N = 23 65.2% male Mean age 67 | Lobectomy & pneumonectomy | Perfusion scintigraphy | 6 months | 23 (41) | FEV1 | Mean difference |
| Bolliger, 1995[24] Switzerland, English | N = 22 68.0% male Mean age 63 | Wedge resection, segmentectomy, lobectomy & pneumonectomy | Perfusion scintigraphy | 6 months | 22 (25) | FEV1 & DLCO | Correlation |
| Wu, 1994[25] China, English | N = 38 86.8% male Mean age 68 | Lobectomy & pneumonectomy | CT volume & density | 3 months | 38 (38) | FEV1 | Mean difference Correlation |
| Egeblad, 1986[26] Denmark, English | N = 30 70.8% male Mean age 61 | Lobectomy & pneumonectomy | Segment counting | 6 months | 30 (30) | FEV1 | Correlation |
| Taube, 1980[27] Germany, German | N = 27 100% male Mean age 53 | Pneumonectomy | Perfusion scintigraphy | 6 months | 27 (29) | FEV1 | Correlation |