Table 1 Baseline characteristics of patients
| Â | Experimental group (n = 122) | Control group (n = 118) | P-valuea |
|---|---|---|---|
Age | 61·23 (9·79) | 56·97 (11·23) | 0·002 |
Sex | |||
 Male | 67·2% (82) | 68·6% (81) | 0·812 |
 Female | 32·8% (40) | 31·4% (37) | |
Ethnic group | |||
 Han | 92·6% (113) | 94·1% (104) | 0·654 |
 Other | 7·4% (9) | 5·9% (7) | |
Body mass/kg | 66·05 (11·89) | 65·45 (10·79) | 0·963 |
Height/cm | 167·80 (7·70)) | 167·68 (7·24) | 0·870 |
Profession | |||
 Regular employee | 18·9% (23) | 26·3% (31) | 0·481 |
 Short-time employee | 0% (0) | 0% (0) | |
 Part-time employee | 0% (0) | 0% (0) | |
 Self-employed | 3·3% (4) | 5·1% (6) | |
 Retiree | 41·8% (51) | 33·1% (39) | |
 Student | 0% (0) | 0·8% (1) | |
 Farmer | 16·4% (20) | 11·9% (14) | |
 Unemployed | 19·7% (24) | 22·9% (27) | |
Medical insurance coverage | |||
 Urban employee | 41·8% (51) | 49·2% (58) | 0·098 |
 Urban resident | 7·4% (9) | 5·9% (7) | |
 New rural cooperative | 32·8% (40) | 38·1% (45) | |
 Free medical care | 6·6% (8) | 1·7% (2) | |
 Commercial insurance | 0% (0) | 0% (0) | |
 Student insurance | 0% (0) | 0% (0) | |
 Other | 5·7% (7) | 1·7% (2) | |
 None | 5·7% (7) | 3·4% (4) | |
Monthly income/RMB | 3377·78 (1545·30) | 3277·19 (1474·63) | 0·617 |
Diabetes | |||
 Yes | 11·5% (14) | 12·7% (15) | 0·769 |
 No | 88·5% (108) | 87·3% (103) | |
Other diseases | |||
 Yes | 65·6% (80) | 57·6% (68) | 0·206 |
 No | 34·4% (42) | 42·4% (50) | |
Smoking | |||
 Non-smoker | 54·1% (66) | 50·8% (60) | 0·642 |
 Quitter | 17·2% (21) | 18·6% (22) | |
 Smoker | 28·7% (35) | 30·5% (36) | |
American Society of Anesthesiologists Classification | |||
 I | 11·5% (14) | 22·9% (27) | 0·059 |
 II | 82·0% (100) | 70·3% (83) | |
 III | 6·6% (8) | 6·8% (8) | |
Surgery | |||
 Esophagectomy | 52·5% (64) | 47·5% (56) | 0·439 |
 Pancreatectomy | 47·5% (58) | 52·5% (62) | |
Endoscopy | |||
 Endoscopic surgery | 19·7% (24) | 20·3% (24) | 0·979 |
 Conversionof endoscopic surgery to thoractomy/laparotomy | 15·6% (19) | 14·4% (17) | |
 thoractomy/laparotomy | 64·8% (79) | 65·3% (77) | |